Lesson 1-1 A Plan for Problem Solving Lesson 1-2 Powers and Exponents Lesson 1-3 Squares and Square Roots Lesson 1-4 Order of Operations Lesson 1-5 Problem-Solving Investigation: Guess and Check Lesson 1-6 Algebra: Variables and Expressions Lesson 1-7 Algebra: Equations Lesson 1-8 Algebra: Properties Lesson 1-9 Algebra: Arithmetic Sequences Lesson 1-10 Algebra: Equations and Functions • Solve problems using THE FOUR-STEP PLAN. In Mathematics, there is four-step plan you can use to help you solve any problem. 1. Explore: Knowing the problem. 2. Plan: Finding a way to solve the problem. 3. Solve: Solving the problem. 4. Check: Checking to make sure you solved the problem correctly. In Mathematics, there is four-step plan you can use to help you solve any problem. 1. Explore • Read the problem carefully. • What information in given? • What do you want to find out? • Is enough information given? • Is there any information that you don’t need? 2. Plan • How do the facts relate to each other? • Select a strategy for solving the problem. There may be more than one way to solve the problem. • Estimate the answer. In Mathematics, there is four-step plan you can use to help you solve any problem. 3. Solve • Use your plan to solve the problem. • If your plan does not work, revise it or make a new plan. 4. Check • Does your answer fit the facts given in the problem? • Is your answer reasonable compared to your estimate? • If not, make a new plan and start again. READING Ben borrows a 500-page book from the library. On the first day, he reads 24 pages. On the second day, he reads 39 pages and on the third day he reads 54 pages. If Ben follows the same pattern of number of pages read for seven days, will he have finished the book at the end of the week? A. No, he will have only read 483 pages. B. No, he will have only read 492 pages. C. yes D. not enough information given to answer 1. 2. 3. 4. A B C D FOUR-STEP PLAN. 1. Explore: Knowing the problem. 2. Plan: Finding a way to solve the problem. 3. Solve: Solving the problem. 4. Check: Checking to make sure you solved the problem correctly. Ben borrows a 500-page book from the library. On the first day, he reads 24 pages. On the second day, he reads 39 pages and on the third day he reads 54 pages. If Ben follows the same pattern of number of pages read for seven days, will he have finished the book at the end of the week? READING Ben borrows a 500-page book from the library. On the first day, he reads 24 pages. On the second day, he reads 39 pages and on the third day he reads 54 pages. If Ben follows the same pattern of number of pages read for seven days, will he have finished the book at the end of the week? A. No, he will have only read 483 pages. B. No, he will have only read 492 pages. C. yes 1. 2. 3. 4. A B C D A D. not enough information given to answer 0% B C D Use the Four-Step Plan SPENDING A can of soda holds 12 fluid ounces. A 2-liter bottle holds about 67 fluid ounces. If a pack of six cans costs the same as a 2-liter bottle, which is the better buy? Explore What are you trying to find? You are trying to find the number of fluid ounces of soda in a pack of six cans. This number can then be compared to the number of fluid ounces in a 2-liter bottle to determine which is the better buy. What information do you need to solve the problem? You need to know the number of fluid ounces in each can of soda. Use the Four-Step Plan Plan You can find the number of fluid ounces of soda in a pack of six cans by multiplying the number of fluid ounces in one can by six. Solve 12 × 6 = 72 There are 72 fluid ounces of soda in a pack of six cans. The number of fluid ounces of soda in a 2-liter bottle is about 67. Therefore, the pack of six cans is the better buy because you get more soda for the same price. Use the Four-Step Plan Check Is your answer reasonable? The answer makes sense based on the facts given in the problem. Answer: The pack of six cans is the better buy. FIELD TRIP The sixth grade class at Meadow Middle School is taking a field trip to the local zoo. There will be 142 students plus 12 adults going on the trip. If each school bus can hold 48 people, how many buses will be needed for the field trip? A. 3 B. 4 0% D A 0% A B 0% C D C D. 6 A. B. 0% C. D. B C. 5 Use a Strategy in the Four-Step Plan POPULATION For every 100,000 people in the United States, there are 5,750 radios. For every 100,000 people in Canada, there are 323 radios. Suppose Sheamus lives in Des Moines, Iowa and Alex lives in Windsor, Ontario. Both cities have about 200,000 residents. About how many more radios are there in Sheamus’s city than in Alex’s city? Explore You know the approximate number of radios per 100,000 people in both Sheamus’s city and Alex’s city. Use a Strategy in the Four-Step Plan Plan You can find the approximate number of radios in each city by multiplying the estimate per 100,000 people by two to get an estimate per 200,000 people. Then, subtract to find how many more radios there are in Des Moines than in Windsor. Solve Des Moines: 5,750 2 = 11,500 Windsor: 323 2 = 646 11,500 – 646 = 10,854 So, Des Moines has about 10,854 more radios than Windsor has. Use a Strategy in the Four-Step Plan Check Based on the information given in the problem, the answer seems to be reasonable. Answer: So, Des Moines has about 10,854 more radios than Windsor has. • Use powers and exponents. • factors • cubed • exponent • evaluate • base • standard form • powers • exponential form • squared The centered dots indicate multiplication The exponent tells how many times the base is used as a factor. 16 = 2 · 2 · 2 · 2 = 24 Common factors The base is the common factor. Powers Words 2 5 Five to the second power or five 3 4 Four to the third power or four 4 2 Two to the fourth power. squared. cubed. Numbers written without exponents are in standard form. Example: 2 · 2 · 2 · 2 = 16 Standard form Numbers written with exponents are in exponential form. Example: 2 · 2 · 2 · 2 = 24 Exponential form Write Powers as Products Write 84 as a product of the same factor. Eight is used as a factor four times. Answer: 84 = 8 ● 8 ● 8 ● 8 Write 36 as a product of the same factor. A. 3 ● 6 B. 6 ● 3 C. 6 ● 6 ● 6 D. 3 ● 3 ● 3 ● 3 ● 3 ● 3 A. B. C. D. A B C D Write Powers as Products Write 46 as a product of the same factor. Four is used as a factor 6 times. Answer: 46 = 4 ● 4 ● 4 ● 4 ● 4 ● 4 Write 73 as a product of the same factor. A. 7●3 B. 3●7 C. 7 ● 7 ● 7 D. 3 ● 3 ● 3 ● 3 ● 3 ● 3 ● 3 1. 2. 3. 4. A B C D Write Powers in Standard Form Evaluate the expression 83. 83 = 8 ● 8 ● 8 = 512 Answer: 512 8 is used as a factor 3 times. Multiply. Evaluate the expression 44. A. 8 B. 16 C. 44 D. 256 1. 2. 3. 4. A B C D Write Powers in Standard Form Evaluate the expression 64. 64 = 6 ● 6 ● 6 ● 6 = 1,296 Answer: 1,296 6 is used as a factor 4 times. Multiply. Evaluate the expression 55. A. 10 B. 25 C. 3,125 D. 5,500 A. B. C. D. A B C D Write Powers in Exponential Form Write 9 ● 9 ● 9 ● 9 ● 9 ● 9 in exponential form. 9 is the base. It is used as a factor 6 times. So, the exponent is 6. Answer: 9 ● 9 ● 9 ● 9 ● 9 ● 9 = 96 Write 3 ● 3 ● 3 ● 3 ● 3 in exponential form. A. 35 B. 53 C. 3 ● 5 D. 243 A. B. C. D. A B C D • Find squares of numbers and square roots of perfect squares. • square • perfect squares • square root • radical sign The product of a number and itself is the square of that number. Example: The square of 5 is 5 ∙ 5 = 52 = 25. Numbers that are multiplied to form perfect squares A. Aa are called square roots. A radical sign (√) indicates square root. B. B C. C Example: 𝟏𝟔 = 𝟒 𝒃𝒆𝒄𝒂𝒖𝒔𝒆 𝟒 ∙ 𝟒 = 𝟏𝟔 D. D Find Squares of Numbers Find the square of 5. 5 ● 5 = 25 Answer: 25 Multiply 5 by itself. Find the square of 7. A. 2.65 B. 14 C. 49 D. 343 A. B. C. D. A B C D Find Squares of Numbers Find the square of 19. Method 1 Use paper and pencil. 19 ● 19 = 361 Multiply 19 by itself. Method 2 Use a calculator. 19 x2 ENTER = Answer: 361 361 Find the square of 21. A. 4.58 B. 42 C. 121 D. 441 1. 2. 3. 4. A B C D Find Square Roots Find 6 ● 6 = 36, so Answer: 6 = 6. What number times itself is 36? Find A. 8 B. 32 C. 640 D. 4,096 1. 2. 3. 4. A B C D Find Square Roots Find 2nd [x2] 676 Answer: ENTER = 26 Use a calculator. Find A. 16 B. 23 C. 529 D. 279,841 A. B. C. D. A B C D GAMES A checkerboard is a square with an area of 1,225 square centimeters. What are the dimensions of the checkerboard? The checkerboard is a square. By finding the square root of the area, 1,225, you find the length of one side of the board. 2nd [x2] 1225 ENTER = 35 Use a calculator. Answer: So, a checkerboard measures 35 centimeters by 35 centimeters. GARDENING Kyle is planting a new garden that is a square with an area of 4,225 square feet. What are the dimensions of Kyle’s garden? A. 42 ft × 25 ft B. 65 ft × 65 ft C. 100 ft × 100 ft D. 210 ft × 210 ft A. B. C. D. A B C D • Evaluate expressions using the order of operations. • numerical expression • order of operations 1. 15 – 5 ● 2 + 7 2. 5 ● 32 – 7 3. 2 + (23 ● 3) + 6 – 1 Use Order of Operations Evaluate 27 – (18 + 2). 27 – (18 + 2) 20 = 27 – 20 Answer: 7 Evaluate 45 – (26 + 3). A. 16 B. 22 C. 42 D. 74 A. B. C. D. A B C D Use Order of Operations Evaluate 15 + 5 ● 3 – 2. 15 + 5 ● 3 – 2 15 = 15 + 15 = –2 30 – 2 Answer: 28 Evaluate 32 – 3 ● 7 + 4. A. –1 B. 15 C. 125 D. 207 1. 2. 3. 4. A B C D Use Order of Operations Evaluate 12 ● 3 – 22. 12 ● 3 – 22 4 = 12 ● 3 – 4 = 36 – 4 Answer: 32 Evaluate 9 × 5 + 32. A. 51 B. 54 C. 126 D. 514 1. 2. 3. 4. A B C D Use Order of Operations Evaluate 28 ÷ (3 – 1)2. 28 ÷ (3 – 1)2 22 = 28 ÷ 22 = 28 ÷ 4 Answer: 7 Evaluate 36 ÷ (14 – 11)2. A. 3 B. 4 C. 6 D. 9 A. B. C. D. A B C D VIDEO GAMES Use the table shown below. Taylor is buying two video game stations, five extra controllers, and ten games. What is the total cost? number number cost of cost of cost number of of of game game × station + controllers × controller + games × of game stations 2 × $180 + 5 × $24 + 10 × = 360 + 120 + 350 Multiply from left to right. = 830 Add. $35 Check Check the reasonableness of the answer by estimating. The cost is about (2 × 200) + (5 × 25) + (10 × 40) = 400 + 125 + 400, or about $925. The solution is reasonable. Answer: So, the total cost $830. Use the table shown below. Suzanne is buying a video game station, four extra controllers, and six games. What is the total cost? D. $545.64 0% D A C. $495.74 0% A B 0% C D C B. $301.88 A. B. 0% C. D. B A. $240.94 • Solve problems using the guess and check strategy. Guess and Check CONCESSIONS The concession stand at the school play sold lemonade for $0.50 and cookies for $0.25. They sold 7 more lemonades than cookies and they made a total of $39.50. How many lemonades and cookies were sold? Explore You know the cost of each lemonade and cookies. You know the total amount made and that they sold 7 more lemonades than cookies. You need to know how many lemonades and cookies were sold. Plan Make a guess and check it. Adjust the guess until you get the correct answer. Guess and Check Solve Make a guess. 14 cookies, 21 lemonades 0.25(14) + 0.50(21) = $14.00 This guess is too low. 50 cookies, 57 lemonades 0.25(50) + 0.50(57) = $41.00 This guess is too high. 48 cookies, 55 lemonades 0.25(48) + 0.50(55) = $39.50 Check 48 cookies cost $12, and 55 lemonades cost $27.50. Since $12 + $27.50 = $39.50 and 55 is 7 more than 48, the guess is correct. Answer: 48 cookies and 55 lemonades ZOO A total of 122 adults and children went to the zoo. Adult tickets cost $6.50 and children’s tickets cost $3.75. If the total cost of the tickets was $597.75, how many adults and children went to the zoo? A. 51 adults and 71 children B. 71 adults and 51 children 0% D A 0% A B 0% C D C D. 64 adults and 58 children A. B. 0% C. D. B C. 58 adults and 64 children Five-Minute Check (over Lesson 1-5) Main Idea and Vocabulary California Standards Example 1: Evaluate an Algebraic Expression Example 2: Evaluate Expressions Example 3: Evaluate Expressions Example 4: Real-World Example • Evaluate simple algebraic expressions. • variable • algebra • algebraic expression • coefficient A VARIABLE is a letter that stands for a number. The number is unknown. A variable can use any letter of the alphabet. • n+5 •2·y • x–7 •y·2 • p ÷ 123 • 2y Evaluate an Algebraic Expression Evaluate t – 4 if t = 6. t–4=6–4 =2 Answer: 2 Replace t with 6. Evaluate 7 + m if m = 4. A. 3 B. 7 C. 11 D. 28 A. B. C. D. A B C D Evaluate Expressions Evaluate 5x + 3y if x = 7 and y = 9. 5x + 3y = 5(7) + 3(9) = 35 + 27 = 62 Answer: 62 Evaluate 4a – 2b if a = 9 and b = 6. A. 2 B. 5 C. 24 D. 72 1. 2. 3. 4. A B C D Evaluate Expressions Evaluate 5 + a2 if a = 5. 5 + a2 = 5 + 52 Replace a with 5. = 5 + 25 Evaluate the power. = 30 Add. Answer: 30 Evaluate 24 – s2 if s = 3. A. 15 B. 18 C. 164 D. 441 1. 2. 3. 4. A B C D BOWLING David is going bowling with a group of friends. His cost for bowling can be described by the formula 1.75 + 2.5g, where g is the number of games David bowls. Find the total cost of bowling if David bowls 3 games. A. $4.25 B. $7.75 C. $9.25 D. $12.75 A. B. C. D. A B C D Five-Minute Check (over Lesson 1-6) Main Idea and Vocabulary California Standards Example 1: Solve an Equation Mentally Example 2: Standards Example Example 3: Real-World Example • Write and solve equations using mental math. • equation • solution • solving an equation • defining the variable An EQUATION is a mathematical sentence that says, two expressions are equal. EQUAL SIGN (=) means that the amount is the same on both sides. 12 – 3 = 9 8 + 4 = 12 14 · 2 = 28 27 ÷ 3 = 9 n–5=3 12 ÷ y = 2 An Equation is like a balance scale. Everything must be equal on both sides. = 10 5+5 An Equation is like a balance scale. Everything must be equal on both sides. = 12 6+6 An Equation is like a balance scale. Everything must be equal on both sides. = 7 n+2 An Equation is like a balance scale. Everything must be equal on both sides. = 7 5n + 2 Solve an Equation Mentally Solve p – 14 = 5 mentally. p – 14 = 5 19 – 14 = 5 5=5 Write the equation. You know that 19 – 14 is 5. Simplify. Answer: So, p = 19. The solution is 19. Solve p – 6 = 11 mentally. A. 5 B. 17 C. 23 D. 66 A. B. C. D. A B C D A store sells pumpkins for $2 per pound. Paul has $18. Use the equation 2x = 18 to find how large a pumpkin Paul can buy with $18. A 6 lb B 7 lb C 8 lb D 9 lb Read the Item Solve 2x = 18 to find how many pounds the pumpkin can weigh. A store sells pumpkins for $2 per pound. Paul has $18. Use the equation 2x = 18 to find how large a pumpkin Paul can buy with $18. Solve the Item 2x = 18 2 ● 9 = 18 Write the equation. You know that 2 ● 9 is 18. Answer: Paul can buy a pumpkin as large as 9 pounds. The answer is D. A store sells notebooks for $3 each. Stephanie has $15. Use the equation 3x = 15 to find how many notebooks Stephanie can buy with $15. A. 4 B. 5 C. 6 D. 7 1. 2. 3. 4. A B C D ENTERTAINMENT An adult paid $18.50 for herself and two students to see a movie. If the two student tickets cost $11 together, what is the cost of an adult ticket? Words The cost of one adult ticket and two student tickets is $18.50. Variable Let a represent the cost of an adult movie ticket. Equation a + 11 = 18.50 ENTERTAINMENT An adult paid $18.50 for herself and two students to see a movie. If the two student tickets cost $11 together, what is the cost of an adult ticket? a + 11 = 18.50 Write the equation. 7.50 + 11 = 18.50 18.50 = 18.50 Replace a with 7.50 to make the equation true. Simplify. Answer: The number 7.50 is the solution of the equation. So, the cost of an adult movie ticket is $7.50. ICE CREAM Julie spends $9.50 at the ice cream parlor. She buys a hot fudge sundae for herself and ice cream cones for each of the three friends who are with her. Find the cost of Julie’s sundae if the three ice cream cones together cost $6.30. A. $2.10 B. $2.80 C. $3.20 D. $15.80 1. 2. 3. 4. A B C D Five-Minute Check (over Lesson 1-7) Main Idea and Vocabulary California Standards Key Concept: Distributive Property Example 1: Write Sentences as Equations Example 2: Write Sentences as Equations Example 3: Real-World Example Concept Summary: Real Number Properties Example 4: Use Properties to Evaluate Expressions • Use Commutative, Associative, Identity, and Distributive properties to solve problems. • equivalent expressions • properties The order in which two numbers are added does not change their sum. •7+8=8+7 •a+9=9+a •z+3=3+z The sum of a number and 0 is the number. •7+0=7 •a+0=a •c+0=c The product of a factor and 1 is the factor. •5●1=5 •b●1=b •w●1=w The way in which three numbers are grouped when they are multiplied or added does not change their sum or product. 7 ● 8 ● 9 = 504 = ( 7 ● 8) ● 9 = 504 = 7 ● (8 ● 9) = 504 = 24 7+8+9 = ( 7 + 8) + 9 = 24 = 7 + (8 + 9) = 24 Write Sentences as Equations Use the Distributive Property to evaluate the expression 8(5 + 7). 8(5 + 7) = 8(5) + 8(7) = 40 + 56 = 96 Answer: 96 Use the Distributive Property to evaluate the expression 4(6 + 3). A. 9 B. 12 C. 27 D. 36 A. B. C. D. A B C D Write Sentences as Equations Use the Distributive Property to evaluate the expression 6(9) + 6(2). 6(9) + 6(2) = 54 + 12 = 66 6(9) + 6(2) = 6(9 + 2) = 6(11) = 66 Answer: 66 Use the Distributive Property to evaluate the expression (5 + 3)7. A. 8 B. 26 C. 56 D. 105 1. 2. 3. 4. A B C D COOKIES Heidi sold cookies for $2.50 per box for a fundraiser. If she sold 60 boxes of cookies, how much money did she raise? A. $2.50 B. $62.50 C. $150 D. $162.50 1. 2. 3. 4. A B C D Use Properties to Evaluate Expressions Find 5 ● 13 ● 20 mentally. Justify each step. 5 ● 13 ● 20 = 5 ● 13 ● 20 = (5 ● 20) ● 13 Commutative Property of Multiplication Associative Property of Multiplication = 100 ● 13 or 1,300 Multiply 100 and 13 mentally. Answer: 1,300 Name the property shown by the statement 4 + (6 + 2) = (4 + 6) + 2. A. Associative Property of Addition B. Commutative Property of Addition C. Identity Property of Addition D. A and B 0% 0% A B A. A B. 0% B C. C C D. D 0% D Five-Minute Check (over Lesson 1-8) Main Idea and Vocabulary California Standards Example 1: Describe and Extend Sequences Example 2: Describe and Extend Sequences Example 3: Real-World Example • Describe the relationships and extend terms in arithmetic sequences. • sequence • term • arithmetic sequence Pencil / Eraser Quiz Marker HW Red Pen Homework P. 60 - 61 7 -19 ODD 37 – 47 ODD Describe the relationship between the terms in the arithmetic sequence 7, 11, 15, 19, … Then write the next three terms in the sequence. Each term is found by adding 4 to the previous term. 19 + 4 = 23 23 + 4 = 27 27 + 4 = 31 Describe the relationship between the terms in the arithmetic sequence 13, 24, 35, 46, … Then write the next three terms in the sequence. A. add 9; 55, 64, 53 B. add 11; 57, 68, 79 C. add 13; 59, 72, 85 D. add 15; 61, 76, 91 A B0% C D D C B A 0% A. 0% B.0% C. D. Describe and Extend Sequences Describe the relationship between the terms in the arithmetic sequence 0.1, 0.5, 0.9, 1.3, … Then write the next three terms in the sequence. Each term is found by adding 0.4 to the previous term. 1.3 + 0.4 = 1.7 1.7 + 0.4 = 2.1 2.1 + 0.4 = 2.5 The next three terms are 1.7, 2.1, 2.5. Describe the relationship between the terms in the arithmetic sequence 0.6, 1.5, 2.4, 3.3, … Then write the next three terms in the sequence. A. add 0.3; 3.6, 3.9, 4.2 B. add 0.5; 3.8, 4.3, 4.8 C. add 0.8; 4.1, 4.9, 5.7 D. add 0.9; 4.2, 5.1, 6.0 0% 1. 2. 3. 4. A B C D A B C D EXERCISE Mehmet started a new exercise routine. The first day, he did 2 sit-ups. Each day after that, he did 2 more sit-ups than the previous day. If he continues this pattern, how many sit-ups will he do on the tenth day? Make a table to display the sequence. Each term is 2 times its position number. So, the expression is 2n. 2n Write the expression. 2(10) = 20 Replace n with 10. Answer: So, on the tenth day, Mehmet will do 20 sit-ups. CONCERTS The first row of a theater has 8 seats. Each additional row has eight more seats than the previous row. If this pattern continues, what algebraic expression can be used to find the number of seats in the 15th row? How many seats will be in the 15th row? 0% A. 8n; 120 seats B. 8 + n; 23 seats C. 15n; 120 seats 1. 2. 3. 4. A B C D A D. 15 + n; 23 seats B C D Five-Minute Check (over Lesson 1-9) Main Idea and Vocabulary California Standards Example 1: Make a Function Table Example 2: Real-World Example Example 3: Real-World Example • Make function tables and write equations. • function • function rule • function table • domain • range Pencil / Eraser Red Pen Marker Homework P. 65 - 67 7 -13 ODD 29 – 39 ODD Jasmin runs 15 minutes before school and 30 minutes after school. How many minutes total does Jasmin run in a day? Write an equation with a variable, and then solve. 15 + 30 = n n = 45 Pencil / Eraser White board Marker Homework P. 65 - 67 7 -13 ODD 29 – 39 ODD Timothy got 72 right on his timed test in July. He got 99 right on this same test in November. How many more right answers did he get on his second test? Write an equation with a variable, and then solve. 72 + n = 99 n = 27 Pencil / Eraser HW Red pen Marker Homework Quiz (TUE): 1-6 to 1-10 P. 75 1 - 25 ALL One marble costs 25 cents. Issak bought 4. How much did he spend? Write an equation with a variable, and then solve. 4 ● 25 = n n = 100 cents or 1 dollar ($1) Input Function Rule Output 2 +5 2+5=7 2 ●3 2●3=6 14 ÷7 14 ÷ 7 = 2 Another word for Input is Domain. Another word for Output is Range. Make a Function Table WORK Asha makes $6.00 an hour working at a grocery store. Make a function table that shows Asha’s total earnings for working 1, 2, 3, and 4 hours. Interactive Lab: Function Machines MOVIE RENTAL Dave goes to the video store to rent a movie. The cost per movie is $3.50. Make a function table that shows the amount Dave would pay for renting 1, 2, 3, and 4 movies. Answer: READING Melanie read 14 pages of a detective novel each hour. Write an equation using two variables to show how many pages p she read in h hours. Make a table to display the sequence. Variable Let p represent the number of pages read. Let h represent the number of hours. Equation p = 14 ● h Equation p = 14 h TRAVEL Derrick drove 55 miles per hour to visit his grandmother. Write an equation using two variables to show how many miles m he drove in h hours. A. m = 55 + h B. m = 55h C. m = 55 – h D. mh = 55 1. 2. 3. 4. A B C D COST Derrick drove 55 miles per hour to visit his grandmother. Write an equation using two variables to show how many miles m he drove in h hours. Add some problems that they have to make the equation itself. The tests have these kinds of problems. READING Melanie read 14 pages of a detective novel each hour. Use the equation p = 14h (p is how many pages she reads in h hours). Find how many pages Melanie read in 7 hours. p = 14h Write the equation. p = 14(7) Replace h with 7. p = 98 Multiply. Answer: 98 pages Pencil / Eraser HW Red pen Homework Quiz (TUE): 1-6 to 1-10 TRAVEL Derrick drove 55 miles per hour to visit his grandmother. Using the equation m = 55h, find how many miles Derrick drove in 6 hours. A. 9.16 miles B. 61 miles C. 49 miles D. 330 miles 1. 2. 3. 4. A B C D Five-Minute Checks Image Bank Math Tools Arithmetic Sequences Modeling Algebraic Expressions Function Machines Lesson 1-1 Lesson 1-2 (over Lesson 1-1) Lesson 1-3 (over Lesson 1-2) Lesson 1-4 (over Lesson 1-3) Lesson 1-5 (over Lesson 1-4) Lesson 1-6 (over Lesson 1-5) Lesson 1-7 (over Lesson 1-6) Lesson 1-8 (over Lesson 1-7) Lesson 1-9 (over Lesson 1-8) Lesson 1-10 (over Lesson 1-9) To use the images that are on the following three slides in your own presentation: 1. Exit this presentation. 2. Open a chapter presentation using a full installation of Microsoft® PowerPoint® in editing mode and scroll to the Image Bank slides. 3. Select an image, copy it, and paste it into your presentation. Subtract 5,678 – 3,479. A. 1,299 B. 1,929 C. 2,199 D. 2,919 0% 0% A B A. A B. 0% B C. C C D. D 0% D Divide 29,811 ÷ 57. A. 523 B. 513 C. 503 D. 493 0% 1. 2. 3. 4. A B C D A B C D Each classroom in a school has 30 student desks. If the average class size is 25 students, and there are 55 classrooms occupied by classes, about how many unused desks are there? A. 300 0% 1. 2. 3. 4. B. 275 C. 250 D. 225 A B C D A B C D Katrina’s family wants to order Chinese food for dinner. Using the table, write and solve an equation to find how much money Katrina’s family needs to pay for their order. 0% D D. 0% A B 0% C D C C. A. B. 0% C. D. B B. 8($2.95 + $4.95 + $5.95 + $1.89) = x; x = $125.92 2($2.95 + $4.95 + $5.95 + $1.89) = x; x = $28.42 (2 × $2.95) + $4.95 + (2 × $5.95) + (3 × $1.89) = x; x = $28.42 $2.95 + $4.95 + $5.95 + $1.89 = x; x = $15.74 A A. Katrina’s family wants to order Chinese food for dinner. How much change should Katrina’s father receive if he pays for the Chinese food with a fifty-dollar bill? A. $21.58 1. 2. 3. 4. 0% B. $21.82 C. $25.18 D. $28.42 A B C D A B C D A. 55% 0% B. 65% 1. 2. 3. 4. C. 75% D. 85% A B A B C D C D (over Lesson 1-1) Ryan’s living room is 10 feet wide, 12 feet long, and 10 feet high. If one gallon of paint covers 400 square feet of surface area, how many gallons of paints would Ryan need to paint all four walls and the ceiling? Use the four-step plan to solve the problem. A. 1 gallon B. 2 gallons C. 3 gallons 0% D 0% C 0% B D. 4 gallons A 0% A. B. C. D. A B C D (over Lesson 1-1) Nolan is selling coupon books to raise money for a class trip. The cost of the trip is $400, and the profit from each book is $15. How many coupon books does Nolan need to sell to earn enough money to go on the class trip? Use the four-step plan to solve the problem. A. 15 coupon books 1. 2. 3. 4. 0% B. 16 coupon books C. 26 coupon books D. 27 coupon books A B C D A B C D (over Lesson 1-1) Cangialosi’s Café made a $6,000 profit during January. Mr. Cangialosi expects profits to increase $500 per month. In what month can Mr. Cangialosi expect his profit to be greater than his January profit? 0% A. March B. April C. May D. June A B 1. 2. 3. 4. C D A B C D (over Lesson 1-1) A comic book store took in $2,700 in sales of first editions during November. December sales of first editions are expected to be double that amount. If the first editions are sold for $75 each, how many first editions are expected to be sold in December? A. 18 B. 36 C. 38 0% D 0% C 0% B D. 72 A 0% A. B. C. D. A B C D (over Lesson 1-2) A. 5 ● 3 B. 5 ● 5 ● 5 C. 3 ● 3 ● 3 ● 3 ● 3 D. 5 ● 5 ● 5 ● 5 ● 5 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-2) A. 2 ● 6 B. 6 ● 6 C. 2 ● 2 ● 2 ● 2 ● 2 ● 2 D. 6 ● 6 ● 6 ● 6 ● 6 ● 6 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-2) A. 512 0% B. 312 1. 2. 3. 4. C. 64 D. 24 A B A B C D C D (over Lesson 1-2) A. 10 B. 25 D. 64 A 0% B C D D 0% B A 0% A. 0% B. C. D. C C. 32 (over Lesson 1-2) A certain type of bacteria reproduces at a rate of 10 ● 10 ● 10 per hour. Write the rate at which this bacteria reproduces in exponential form. A. 303 per hour 0% B. 103 per hour C. 33 per hour 1. 2. 3. 4. A B C D A D. 13 per hour B C D (over Lesson 1-2) Write 87 in words. A. seven times eight B. eight times seven C. eight to the seventh power D. seven to the eight power 0% 1. 2. 3. 4. A A B C D B C D (over Lesson 1-3) Find the square of 7. A. 2.6 B. 3.5 C. 14 D. 49 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-3) Find the square of 12. A. 144 B. 124 C. 24 D. 6 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-3) Find the square of 13. A. 3.6 0% B. 6.5 1. 2. 3. 4. C. 159 D. 169 A B A B C D C D (over Lesson 1-3) A. 9 B. 40.5 C. 162 D. 6,561 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-3) A. 392 B. 98 C. 16 D. 14 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-3) A. –128 0% B. 28 1. 2. 3. 4. C. 96 D. 136 A B A B C D C D (over Lesson 1-4) Evaluate the expression 7 ● 4 + (21 – 5). A. 44 B. 64 C. 120 D. 140 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-4) Evaluate the expression (7 – 4)3 + 32. A. 371 B. 307 C. 59 D. 43 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-4) Evaluate the expression 16 ÷ 4 + 63 ÷ 9. A. 9 0% B. 11 1. 2. 3. 4. C. 12 D. 27 A B A B C D C D (over Lesson 1-4) Evaluate the expression 3 × 103. A. 30 B. 90 C. 3,000 D. 9,000 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-4) Evaluate the expression 144 ÷ (2)6. A. 12 B. 4 C. 2.25 D. 1.12 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-4) On Mondays, Wednesdays, and Fridays, Adrian runs five miles a day. On Tuesdays, Thursdays, and Saturdays, he runs two miles. On Sunday, Adrian runs 10 miles. Write a numerical expression to find how many miles Adrian runs in a week. Then evaluate the expression. A. (3 ● 5) + (2 ● 2) + 10 = x; x = 31 B. (3 ● 5) + (2 ● 2) + 10 = x; x = 29 C. (3 ● 5) + (3 ● 2) + 10 = x; x = 31 D. (3 ● 5) + (3 ● 2) + 10 = x; x = 29 1. 2. 3. 4. 0% A B C D A B C D (over Lesson 1-5) 0% D A B 0% C D C A. 0% B.0% C. D. B A. 5 packages of hot dog buns and 4 packages of hot dogs B. 3 packages of hot dog buns and 5 packages of hot dogs C. 4 packages of hot dog buns and 5 packages of hot dogs D. 5 packages of hot dog buns and 3 packages of hot dogs A Hot dogs come in packages of 10. Hot dog buns come in packages of 8. How many packages of hot dogs and hot dog buns would you need to buy to have enough buns for every hot dog? Solve using the guess and check strategy. (over Lesson 1-5) A number is multiplied by 8. Then 5 is subtracted from the product. The result is 43. What is the number? A. 8 0% B. 6 C. 5 1. 2. 3. 4. A B C D A D. 7 B C D (over Lesson 1-5) The school carnival made $420 from ticket sales. Adult tickets cost $5 and student tickets cost $3. Also, three times as many students bought tickets as adults. How many adult and student tickets were sold? A. 20 student tickets and 60 adult tickets B. 90 adult tickets and 30 student tickets C. 60 adult tickets and 20 student tickets D. 90 student tickets and 30 adult tickets 0% 1. 2. 3. 4. A A B C D B C D (over Lesson 1-5) Which sequence follows the rule 3n, where n represents the position of a term in the sequence? A. 3, 9, 27, 81, 243, ... B. 1, 8, 27, 64, 125, ... C. 3, 6, 9, 12, 15, ... D. 1, 4, 7, 10, 13, ... 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-6) A. 1 B. 2 C. 4 D. 8 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-6) Evaluate 7r – 3p for r = 7 and p = 9. A. 12 B. 22 C. 32 D. 42 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-6) Evaluate (p – m) + 5(2n) for m = 2, n = 4, and p = 9. A. 96 0% B. 58 1. 2. 3. 4. C. 47 D. 33 A B A B C D C D (over Lesson 1-6) A. 3 B. 1 C. 0.50 D. 0.25 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-6) A. 0.08 B. 1.33 C. 2.25 D. 6.75 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-6) Kerrie works at an art supply store. Which expression could Kerrie use to find the cost of buying p cases of paintbrushes at $145 each and e easels at $59 each? A. 145e + 59p B. 145p + 59e C. (145 + 59) + pe 0% 1. 2. 3. 4. A D. p(145 – 59) + e A B C D B C D (over Lesson 1-7) Solve the equation 27 + n = 55 mentally. A. 82 B. 72 C. 32 D. 28 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-7) Solve the equation 9y = 45 mentally. A. 3 B. 4 C. 5 D. 6 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-7) Name the number from the list {1.6, 2.8, 3.1} that is the solution of the equation 2.4 + a = 4. A. 1.6 0% B. 2.8 1. 2. 3. C. 3.1 A B A B C C (over Lesson 1-7) Name the number from the list {2.3, 3.5, 4.6} that is the solution of the equation 18m = 63. A. 2.3 0% B. 3.5 1. 2. 3. C. 4.6 A A B C B C (over Lesson 1-7) Kieran worked for 9.5 hours and earned $80.75. How much does she get paid per hour? Use the equation 9.5w = 80.75, where w is Kieran’s hourly wage. A. $8.50 0% B. $8.75 C. $9.50 1. 2. 3. 4. A B C D A D. $9.75 B C D (over Lesson 1-7) Warren had 26 bobbleheads in his collection. After he bought some more bobbleheads at an auction, he had a total of 32 bobbleheads. Which equation could be used to find how many bobbleheads he bought at the auction? 1. 2. 3. 4. 0% A. 32 + t = 26 B. 32 ÷ t = 26 C. 26 – 32 = t D. 26 + t = 32 A B C D A B C D (over Lesson 1-8) Using the Distributive Property, write the expression 3(4 + 8) as an equivalent expression and then evaluate it. A. 3 ● 4 + 8; 20 B. 3 + 3 ● 8; 27 D. 3 ● 8 + 4 ● 8; 56 A B0% C D D C A 0% B C. 3 ● 4 + 3 ● 8; 36 A. 0% B. 0% C. D. (over Lesson 1-8) Using the Distributive Property, write the expression 9(8 – 4) as an equivalent expression and then evaluate it. A. 9 ● 4 – 8; 28 0% B. 9 ● 8 – 9 ● 4; 36 C. 9 ● 8 – 4 ● 8; 40 1. 2. 3. 4. A B C D A D. 9 ● 8 – 4; 68 B C D (over Lesson 1-8) Name the property shown by the statement x + y = y + x. A. Associative Property of Addition 0% B. Commutative Property of Addition 1. 2. 3. 4. C. Distributive Property of Addition D. Identity Property of Addition A B A B C D C D (over Lesson 1-8) Name the property shown by the statement 31 × 1 = 31. A. Associative Property of Multiplication B. Commutative Property of Multiplication A B 0% C D D C A D. Identity Property of Multiplication 0% A. 0% B. 0% C. D. B C. Distributive Property of Multiplication (over Lesson 1-8) Name the property shown by the statement (m × n) × p = m × (n × p). A. Associative Property of Multiplication B. Commutative Property of Multiplication C. Distributive Property of Multiplication D. Identity Property of Multiplication 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-8) Rewrite a × (b × c) using the Associative Property of Multiplication. A. a × (c × b) 0% 1. 2. 3. 4. B. c × ( a × b) C. (b × c) × a D. (a × b) × c A B A B C D C D (over Lesson 1-9) Describe the pattern in the sequence 2, 16, 128, 1,024, … and identify it as arithmetic or geometric. A. × 8; arithmetic B. × 8; geometric C. × 4; arithmetic D. × 4; geometric 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-9) Describe the pattern in the sequence 2.8, 6, 9.2, 12.4, … and identify it as arithmetic or geometric. A. + 3.2; arithmetic 0% B. + 3.2; geometric C. + 8.8; arithmetic D. + 8.8; geometric 1. 2. 3. 4. A B C D A B C D (over Lesson 1-9) Write the next three terms of the sequence 4, 12, 36, 108, … . A. 36, 12, 4 0% B. 216, 648, 1,944 1. 2. 3. 4. C. 316, 948, 2,844 A D. 324, 972, 2,916 B A B C D C D (over Lesson 1-9) Write the next three terms of the sequence 2.1, 2.8, 3.5, 4.2, … . A. 4.8, 5.5, 6.2 B. 4.9, 5.6, 6.3 C. 4.9, 5.5, 6.2 D. 5.6, 6.3, 7.0 0% 0% A B A. A B. 0% B C. C C D. D 0% D (over Lesson 1-9) Every 18 months, National Surveys conducts a population survey of the United States. If they conducted a survey in September of 2003, when will they conduct the next four surveys? A. March 2005, September 2006, March 2008, September 2009 B. March 2005, September 2006, March 2007, September 2008 C. February 2005, August 2006, March 2008, September 2008 D. February 2005, September 2006, March 2008, September 2009 0% 1. 2. 3. 4. A B C D A B C D (over Lesson 1-9) Find the next term in the sequence 3.2, 12.8, 51.2, 204.8, … . A. 723.5 0% B. 819.2 1. 2. 3. 4. C. 845.2 D. 901.1 A B A B C D C D This slide is intentionally blank.