How Each Math Class Will Be Conducted:
 I will teach the lesson
 We will do the Guided Practice together
 You will do the Practice and
Problem Solving Independently

Math Vocabulary you should be familiar with:
 Expression
A mathematical phrase that contains operations, numbers,

 and/or variables Example: 25 + a(b)
Variable
A symbol used to represent a quantity Example: a
Constant
A value that does not change Example: 25 + a(b)
 Order of Operations
A process for evaluating expressions
PEMDAS
Parenthesis Exponents Multi/Divide Add/ Subtract
If a=5 and b=5 [25 + a(b)] = 25
2

Hmmm…. Could I have a vocabulary quiz in Math class?
YES!!!
I often give short 5 point Quizzes!!!
These quizzes will help build your grade! Consider it a free 5 points!
You simply need to pay attention!

Chapter 1 Section 1: Writing Algebraic
Symbols to Words
 X + 3
The sum of X and 3
 M-7
The difference of m and 7
 K/5
K divided by 5

Guided Practice Ch1 Page 9
Section 1: Give two ways to write each algebraic expression in words:
2. n-5
5 less than n or n decreased by 5
3. f/3
The quotient of f and 3 or f divided by 3
10. George drives at 45 mi/h. Write an expression for the number of miles
George travels in h hours.
45h
11. The length of a rectangle is 4 units greater than its width w. Write an expression for the length of the rectangle.
W + 4

Guided Practice Chapter 1 Page 9
Evaluate each expression for a=3, b=4, and c=2
12. a-c
3-2=1
13. ab
3 (4)=12
14. b/c
4/2=2

Your Turn Now!
Go Down to the Section Labeled
“ Practice and Problem Solving ”
Do problems 17-31 and 41, 45, 46,
47
Whatever you do not finish will be homework

When you arrive tomorrow to class what is expected?!
Homework is out on your desk and ready to be checked.
Did you check the parking lot on the board?
Are all parking lots numbers taken care of, I will need volunteers to come up and show their work!

Tomorrow: Ch 1 Section 1.2
Solving Equations by adding or subtracting
Vocabulary you should be familiar with…
Equation : Mathematical statement that two expressions are equal
Solution: A value of the variable that makes the equation true. To find solutions you need to isolate the variable!
Solving Equations by using Addition:
X-10= 4
+10 +10
X = 14

1. Parking Lot  What problems would you like me to go over?!
2. Teach Ch1 Section 2
3. Together we do Guided Practice
4. Independently You Do “Practice and
Problem Solving” pg 20

Vocabulary you should be familiar with…
Equation : Mathematical statement that two expressions are equal
Solution: A value of the variable that makes the equation true. To find solutions you need to isolate the variable!
Solving Equations by using Addition:
X-10= 4
+10 +10
X = 14

Solving Equations Using Subtraction
X + 7 = 9
-7 -7
X = 2
Check: X + 7 = 9 ALWAYS CHECK
2 + 7 = 9 YES!!

Guided Practice Page 20
2. S-5 = 3
+5 +5
S = 8
3. 17= w-4
+4 +4
21 = w

Independent Work Time
Page 20 Problems: 21-25, 33-37, 51-56
Reminder: Math Vocab Quiz Monday

Agenda:
 Any questions to park in our class parking lot?!  Review HW
 Quiz
 Teach Ch1 Sec 1.3
 Do Guided Practice Together pg 27
 Students Independently do Practice and Problem Solving
#’s 21-25, 52-55, 61-64

Review of HW:Pg 20 Problems: 21-25, 33-37, 51-56
21. 9 33. -17 51. x-10=12 x=22
22. 7 34. -15 52. x-13=7 x=20
23. 17 35. 1,500 53. x+8=16 x=8
24. -7 36. 258 54. x-3=-8 x=-5
25. 4/7 37. -.05 55. 5+x=6 x=1
Which Questions Would You Like ME To Go Over
On The Board? Park them In The Parking Lot!

Chapter 1 Section 3; Solving Equations by Multiplying or Dividing
-4 = k Step #1: Isolate the variable- get the variable by itself
-5
(-5) (-4) = (-5)[ k ]
-5
(-5) (-4) = (-5)[ k ]
-5
(-5) (-4) = [ k ]
20 = k
Self Check: Go back, Plug 20 in for k 20/-5= -4 YES!!

Solving Equations That Contain Fractions
5 v=35 ** Multiple both sides by the reciprocal of 5/9 which is 9/5**
9
(9)(5) v = (9) 35
5 9 5
(9)(5) v = (9) 35
5 9 5
V= 315/5
V=63
Self Check: Go back, Plug 63 in for v; 63 (5)/9 = 35 Yes!!

Guided Practice:
19. The Baseball Birthday Batter Package at a minor league ballpark costs $192.
The package includes tickets, drinks, and cake for a group of 16 children. Write and solve an equation to find the cost per child.
Step #1
For thing you do, write down your “knowns!!”


Total cost=$192
Total Package= 16c
 Total Package=Total cost
Step #2 Write the equation
16c=192
Step #3 Solve the Equation
C=192/16
C= $12/ cost per child

Students Independently do Practice and Problem Solving Ch1 Sec 3
#’s 21-25, 52-55, 61-64

Agenda
 Any questions to park in our class parking lot?! 
Review HW
 Teach Ch1 Sec 1.4
 Do Guided Practice Together pg 36
 Students Independently do Practice and Problem
Solving

Review of HW:Pg 27 Problems: 21-25, 52-55, 61-64
Ch1 Sec # 3 Any Questions you would like to park in our parking lot for me to go over in detail?!
21. 24 52. 5x=45 x=9
22. -200 53. -3x=12 x=-4
23. -36 54. x/4=10 x=40
24. 12 55. x/3=-8 x=-24
25. -150
Problems
61.
62.
63.
64.
X
-4
-2
0
2
Y
-2
-1
0
1

Solving Two Step Equations:
10= 6-2x
Step one: Get rid of what is NOT attached to x FIRST
10 = 6-2x
-6 -6
4 = -2x
Step two: Get x by itself, get rid of what is attached to x, divide by -2
4 = -2x
-2 -2
-2=x

Chapter 1 Section 4: Solving Two-Step and Multi-Step Equations pg 32
Alex belongs to a music club. In this club, students can buy a student discount card for $19.95. This card allows them to buy CDs for $3.95 each. After one year,
Alex has spent $63.40.
Find the number of CDs c that Alex bought…
3.95c +19.95 = 63.40
-19.95 -19.95
3.95c=43.45
c= 43.45/3.95
c=11
Alex bought 11 CDs

Simplifying before Solving:
6x + 3 – 8x = 13
Step #1: Combine like terms
6x +(-8X) = -2x
-2x +3 = 13
Now, Get rid of what is not attached to x first
-2x +3 = 13
-3 -3
-2x = 10
Step #3 Get x by itself by dividing by -2
-2x/-2 = 10/-2 x= -5

Distributing
9= 6 – (x + 2)
Step #1 Distribute the -1 to everything inside the parenthesis
9= 6 +(-1) (x) + (-1) (2)
9= 6 + -x + -2
Step #2 Combine like terms
9 = 4-x
-4 -4
5 = -x
-5 = x

Practice and Problem Solving pg 36
#’s
24,30,33,37,38,39,41,43,44,45,46,50,
51,52
,

Agenda:
 First HW Check 5 points
 Any questions to park in our class parking lot?! 
Review HW
 Teach Ch1 Sec 1.5
 Do Guided Practice Together pg 43
 Students Independently do Practice and Problem
Solving
 Reminders : Chapter one Quiz on Sections 1-4
Friday September 12th

Review of HW:Pg 36 Problems:
24,30,33,37,38,39,41,43-46,50-52 Ch1 Sec # 4
Any Questions you would like to park in our parking lot for me to go over in detail?!
24. 2 45. -1/2
30. 1/5 46. -10
33. 1 50. 2n-7=19 n=13
37. 28/5 51. 8-3n=2 n=2
38. 25 52. 2n+5=11 n=3
39. 3
41. 8
43. 7
44. 16

Solving Equations with Variables on Both
Sides
7k = 4k + 15
Step #1: You want to get the Variables to ONE side! Choose the side that will keep the variable POSITIVE!!
7 is BIGGER than 4, so I CHOOSE to subtract 4K
7k= 4k + 15
-4k -4k
3k= 15
3k/3= 15/3 k= 5

Distribution Problem:
2(y+6)=3y
Step #1: Distribute 2
2y +12 = 3y
Step 2:Subtract 2y from each side
12=y

Combining Like Terms and Distributing
3-5b +2b = -2-2(1-b)
Step one:
Combine like terms
3-3b = -2-2(1-b)
Distribute -2
3-3b= -2 -2+2b
3-3b= -4 +2b
+4 +4
7-3b=2b
+3b = +3b
7 = 5b
7/5 = 5b/5
7/5 =b

Someone Come up to the board and do the following Problem… Guided Practice
2x-1= x+11

Practice and Problem Solving page 43
#’s 23,24,38,48,49,50
Reminder: Quiz Friday Sections
1-4

AGENDA
 Any questions to park in our class parking lot?! 
Review HW
 Teach Ch1 Sec 1.6
 Do Guided Practice Together pg 51
 Students Independently do Practice and Problem
Solving
 Reminders : Chapter one Quiz on Sections 1-4 tomorrow!!!

HW Problems: Practice and Problem Solving page 43 Answers
#’s 23,24,38,48,49,50
23. 6
24. -1
38. -3
48. 1
49. 4
50. 4

Solving for a Variable
Step One : Locate the variable you are asked to solve for in the equation.
Step Two : Identify the operations on this variable and the order in which they are applied.
Step three: Use inverse operations to undo operations and isolate the variable.

F=9 C + 32 Solve for C
5
F = 9 C + 32
5
-32 -32
F-32= 9 C
5
5/9 (F-32)= (5/9) (9/5) C
5/9(F-32)=C

Guided Practice: page 51
2. a.) Solve a= 46c Solve for c a= 46c
/46 /46 a/46= c
5. Solve m-4n=8 Solve for m
+4n +4n m=4n+8

Review for quiz tomorrow:
1. 6= 1-x
Volunteer to front board please!
2. 5x+4-2x=22
Volunteer to front board please!
3. 4=7-3(x+3)
Volunteer to front board

HW Problems: Practice and Problem
Solving page 51
#’s 4-7,10-13

Agenda
 Any questions to park in our class parking lot?! 
Review HW
 Quiz on Sections 1-4

Teach Ch1 Sec 1.7
 Do Guided Practice Together pg 57
 Students Independently do Practice and Problem
Solving
(Mrs. Ruzicka walk around and assist as needed)

HW page 51 #’s 4-7,10-13
4. s= 6-3t/t
5. m=4n+8
6. f= 6g-4
7. a=10/b+c
10. s= -2-4r
11. x=k+5/y
12. m/p-6=n
13. x-2/z=y

Section1.7 Solving Absolute-Value
Equations
 Recall that the absolute value of a number is that number’s distance from zero on a number line. For example, -5 = 5 and 5 = 5
-5 0 5
5 spaces both ways

Solve:
4 x+2 = 24
4 4
X+2 = 6
Case 1 Case 2
X+2=-6 X+2=6
-2 -2 -2 -2
X=-8 X=4
The solutions are -8 and 4

Guided Practice: pg 57
2.
9= x+5
Case 1 Case 2
9= x+5 -9= x+5
-5 -5 -5 -5
4=x -14=x

Practice and Problem Solving pg 57
#’s 15, 16, 17, 28, 35, 36

Agenda

Any questions to park in our class parking lot?!  Review HW

Teach Ch1 Sec 1.8
 Do Guided Practice Together pg 65

Students Independently do Practice and
Problem Solving
(Mrs. Ruzicka walk around and assist as needed)
Reminder  Chapter 1 Test this Friday!!!

Practice and Problem Solving pg 57
#’s 15, 16, 17, 28, 35, 36
15. -9, 13
16. -5, 7
17. -2, 2
28. 1
35. X = 3
36. X = 1

1.8 Rates, Ratio’s, and Proportions
Ratio : is a comparison of two quantities by division. The ratio of a to b can be written a:b or a/b
A statement that two ratios are equivalent, such as 1/12=2/24, is called a proportion .

The ratio of faculty members to students at college is 1:15.
There are 675 students. How many faculty members are there?
Step 1: Write a ratio comparing faculty to students
Faculty 1
Student 15
Step 2: Write a proportion. Let X be the number of faculty members
1 = x
15 675
Now solve for X
(675) 1 = x (675)
15 675 x= 45 faculty members

Cross Product Property: a = c b d a(d)=c(b)
Look at previous example..
1 = x
15 675
1 (675)=x(15)
675=x15 Now what do we do? Divide both sides by 15 to get x by itself! X=45

Solving Proportions:
5 = 3
9 w
5 = 3
9 w
5w=9 (3)
5w=27
5w/5 =27/5
W=27/5

Practice and Problem Solving pg. 66
#’s 26-37

 Any questions to park in our class parking lot?!  Review
HW pg 66
 Teach Ch1 Sec 1.9
 Do Guided Practice Together pg 72
 Students Independently do Practice and Problem Solving
(Mrs. Ruzicka walk around and assist as needed)
Reminder Chapter one Test Friday! Bring Reading Book with you Friday for after Exam!

Practice and Problem Solving pg. 66
#’s 26-37
26. 3 35. 1/9
27. 10 36. 60
28. -2.4 37. 45
29. -1
30. .9
31. 13
32. 3
33. 1.2
34. 6.8

Section 1.9- Applications of Proportions
Similar: Figures that have exactly the same shape, but not necessarily the same size.
E
8
B
~ x
A 5 C D 12 F
When stating that two figures are similar use the symbol
~
ABC ~ DEF m<A=m<D
Find the value of x m<B=m<E
Set up a proportion:
5 = 8 x= 19.2 meaning the length of DE is 19.2
12 x

Guided Practice pg. 72
#’s 2
2. A D
5m 7m x 4m
B C F E
ABC~ DEF Find the value of X
7 = 5
X 4
Cross Product Property
5x=28
X=28
5
X=5.6m

Practice and Problem Solving pg. 72
Answers:
6. 8m 15. 2.8ft
7. 7in 16. 4cm
14. 9m

Section 1.10 Precision and Accuracy
Precise vs. Accurate
Precise : is the level of detail in a measurement and is determined by the smallest unit or fraction of a unit that you can reasonably measure.
Accurate : Is the closeness of a measured value to the actual or true value.
** A precise measurement is only useful if the measurement is also accurate**
Think of a target. This person’s throw was precise, but was NOT
accurate, he never hit the bull's-eye!

Which measurement is more precise or accurate?
More precise?
4.33
g or 4337 mg answer  4337 mg
47 ft or 47 .3
ft answer  47 .3
ft
A cube weighs 5 grams.
A student weighs this cube on three different scales. Which scale is more accurate ?
Scale A Scale B Scale C
5.01g 5.033g 4.98g
Scale B is most precise
Scale A is most accurate

What sections would you like to go back over?
Why don’t we take a tour through this power-point and briefly scan Chapter 1… You stop me when you wish to review something!

You will have the ENTIRE Period.
Bring a book to read incase you complete the test early! Pencils out, everything else under your desk!