Name ________________________________ Date: _________________________________ Course: Math B Homeroom: 917-747-1693 Unit 1 Project: Directions: Read the passage below and answer the questions that follow. What songs motivate you or make you feel energized and why? _____________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Why might some songs be more effective at motivating people to exercise longer and more vigorously (with more effort)? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Guided Reading: Directions: Your pencil should always be moving as we read together. If I call your name, you need to pick up reading where the last person left off. Define tempo: ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Define heart rate: ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Why is it a rate and not just a ratio? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Independent Reading: Directions: Read the questions, then read and annotate the following passage, and answer the questions that follow. Ms. Goldberg’s playlist includes “Don’t Phunk With My Heart” by the Black Eyed Peas (130 B.P.M.), “Mr. Brightside” by the Killers (150 B.P.M.), and “Dancing Queen” by Abba. The musical style that often seems to contain high B.P.M. is dance music. Some D.J.’s have even begun to remix songs on a playlist so they all have the same B.P.M. so that people can work out to a constant tempo. A remixed track with a count of about 115 to 118 B.P.M. is great for a slow walker going at a pace of around 3 miles an hour. For a power walker going 4.5 m.p.h., the count is 137 to 139 B.P.M., while the B.P.M. for a runner elevates to 147 to 160. The remixed playlists are targeted mainly toward women doing cardio workouts, and there are no pauses between songs. That constant beat allows a person to synchronize (match) their movements to the music, which is crucial for getting the most out of your workout. It helps you move more efficiently and improve your endurance (how long you are able to go). Which song has a faster tempo, “Don’t Phunk With My Heart” by the Black Eyed Peas or “Mr. Brightside” by the Killers? Justify your answer with evidence from the text. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ If Ms. Christy runs on the treadmill at about 6.2 miles per hour, to about how many beats per minute should she request her remix be set? Justify your answer with evidence from the text. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Name ________________________________ Date: _________________________________ Course: Math B 917-747-1693 Homeroom: Day 36: Independent Practice/ Review Directions: Use your notes on rates and ratios and unit rate Practice 1 1. Write this ratio in two other ways: 4 to 5. ______________ _______________ 2. Write this ratio in two other ways: ______________ _______________ 3. Simplify the ratio: 33 to 44. ______________ 4. Simplify the ratio: ______________ 5. Draw a picture to represent the situation: the ratio of circles to stars is 3: 5. . . Draw picture here: Practice 2 Create a proportion to find the unit rate for each. 6. = _____x_____ 1 min How many gallons per minute? = __________ 7. How many feet per second? 8. How many miles per gallon? Practice 3 Problems: Write the ratios as fractions. Then simplify the fraction if possible. 9. There are 65 boys and 52 girls in the drama club. What is the ratio of boys to girls, in simplest form? Fraction: _________________ Simplified: __________________ 10. On a farm that has only two types of animals, there are 34 cows and 12 horses. What is the ratio of horses to the total number of animals on the farm, in simplest form? Fraction: _________________ Simplified: __________________ 11. Over a period of 3 hours, 180 leaves fell from a tree. At this rate, how many leaves fell in one hour? Annotate Proportion Number of leaves that fell in one hour: ____________________________ 12. Georgia drove a total of 252 miles and used 12 gallons of gasoline. What is this rate in miles per gallon? Annotate Proportion Miles per gallon: ____________________________ 13. Tyler scored 21 goals in 7 soccer games. At this rate, about how many goals did he score each game? Annotate Proportion Goals scored each game: ____________________________ 14. While climbing down a mountain, Anthony descended 45 feet every hour. At this rate, how many feet will he descend in 6 hours? Annotate Proportion Number of feet in 6 hours: ____________________________ Name ________________________________ Date: _________________________________ Course: Math B 917-747-1693 Day 37: Do Now Homeroom: 4) The table shows the cost of various bags of dog food. Which bag of dog food has the highest cost per pound? A. Bag A B. Bag B C. Bag C D. Bag D Set up and solve a proportion to find the cost per pound for each bag: Bag A Bag B Bag C Bag D $11.00 = __x__ 6 lbs 1 lb $20.25 = _____ 1 lb ______ = ______ Name ________________________________ Date: _________________________________ Course: Math B 917-747-1693 Homeroom: Day 37: Independent Practice/Homework Directions: Use your notes on rates and ratios and unit rate Practice 1 1. Write this ratio in two other ways: 6 to 7. ______________ 2. Simplify the ratio: 14:28. ______________ 3. Simplify the ratio: 4. Draw a picture to represent the situation: the ratio of squares to triangles is 4 to 6. 30 72 . _______________ ______________ Draw picture here: Challenge: draw a simplified version of the ratio here: Draw picture here: Practice 2 Annotate each problem, and then create a proportion to find the unit rate for each. 5. If a person runs ¾ mile in ½ hour. At what speed are they walking? Hint: convert the fractions to decimals and then create your proportion. 3 A. miles per hour 8 B. 1 ¼ miles per hour C. 1 miles per hour D. 3 miles per hour 1 2 6. Democracy Prep Harlem has 360 students and spends $72,000 each year. Find the cost per student. A. $200.00 per student B. $20.00 per student C. $2.00 per student D. $2,592.00 per student Practice 3: Unit Rate Size Volume (fl oz) Price Regular 12 $1.20 Extra Large 28 $2.24 7. The table above shows the cost of two different bottles of Arizona tea available at the corner store. Which bottle size offers the cheaper price per ounce? How much cheaper is it? Complete the proportions to determine the unit price of each bottle Regular $1.20 12 fl.oz. = Extra Large ________ 1 fl.oz. $2.24 = __________ 1 fl.oz. Compare the price per ounce to determine which is cheaper Answer: _______________________ is cheaper per ounce. How much cheaper is it per ounce? _____________________________________________ 8. Natasha wants to compare the price of her favorite snacks to determine which is less expensive. The table below shows the price of each snack box and the number of bags in each Value Pack box. SNACK BOXES Total Bags (in each box) Total Price (in each box) Cheez-It 16 $2.72 Combos 20 $3.80 Price (per bag) a) Complete the table above by calculating the price per bag of each kind of snack. Which snack is cheaper per bag? __________________________ Name ________________________________ Date: _________________________________ Course: Math B Homeroom: 917-747-1693 Math and Music Unit 1 Topics Reviewed: Data Collection Writing rates and ratios _____ Calculate unit rates _____ Use proportions to solve problems _____ Use constant of proportionality to complete tables _____ Understand proportional relationships in graphs _____ Write equations to represent proportional relationships _____ Directions: Count the number of beats you hear in 10 seconds of the song. Use that information to determine the unit rate, or the number of beats per minute (B.P.M.) for each audio clip. Tempo and B.P.M 10 seconds 1 minute Adagio Andante Allegro Based on the information in the table and what you heard, how might you describe songs that are Adagio, Andante, and Allegro? Adagio ________________________________________________________________________________________ _________________________________________________________________________________________________ B.P.M. range: _______________ Andante: ______________________________________________________________________________________ _________________________________________________________________________________________________ B.P.M. range: _______________ Allegro: ______________________________________________________________________________________ _________________________________________________________________________________________________ B.P.M. range: _______________ Think About It: Why does it make more sense to measure the unit rate in beats per minute rather than beats per second or beats per hour? _________________________________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________ Tables and Graphs Directions: Complete the table below with the number of beats for each amount of time. Number of Beats in Seconds 10 s 20 s 30 s 40 s 50 s 60 s Andante Adagio Allegro Use your knowledge of proportions to help you complete the following table. Number of Beats in Minutes 2 min 3 min 4 min 1 min 5 min 6 min Andante Adagio Allegro Directions: Create a triple line graph to show the number of beats per minute in each of the three audio clips. The x-axis should represent the time, and the y-axis should represent the number of beats. When your graph is done, mark the point(s) that represents the unit rate with a star and label with “Unit Rate.” Record the coordinates that represent each unit rate: Andante: ( , ) Adagio: ( , ) Allegro: ( , ) Write a sentence to describe what the point (0, 0) represents in terms of beats and amount of time. ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ Analysis Directions: Write an equation to represent the tempo of each version of the song using b for beats and m for minutes. Then describe how the equation is related to the graph of each song clip. Equation Describe relation to graph Andante Adagio Allegro Circle the constant of proportionality in each equation above. Songs with Tempo Changes: “Bohemian Rhapsody” by Queen @3:00 “Wake Up” by Arcade Fire (3:50) “Take Me Out” by Franz Ferdinand (intro) “Proud Mary” by Tina Turner “Come Sail Away” by Styx “Lucy in the Sky with Diamonds” by The Beatles Directions: Read the statement in the box below, and use your knowledge of rates to answer the questions on the next page. Be prepared to justify your responses with mathematical evidence and reasoning: Some songs maintain a steady tempo throughout while others change tempos during different parts of the song. A tempo change can give different parts of the song a distinct feel. If a song maintains a steady tempo, the number of beats at different time intervals will be proportional to one another. In contrast, a song with a tempo change may have a proportional relationship between beats and time during one part of the song but then the relationship changes part way through. Examine the tables and graphs below to determine whether each song maintains a steady tempo or has a tempo change. Song 1 Number of Beats 0:30 70 1:00 140 1:30 210 2:00 280 2:30 330 3:00 380 Circle one: steady tempo/tempo change. If there was a steady tempo, write the constant of proportionality here: ______________ Challenge: If there was a tempo change, put a star by the moment in the song that the tempo changed. Next to your star, write down if the tempo became faster or slower at the end of the song. Song 2 Song 2 400 360 320 280 240 200 Song 2 160 120 80 40 0 0:30 1:00 1:30 2:00 2:30 3:00 Circle one: steady tempo/tempo change. If there was a steady tempo, write the constant of proportionality here: ______________ Challenge: If there was a tempo change, put a star by the moment in the song that the tempo changed. Next to your star, write down if the tempo became faster or slower at the end of the song. Song 3 Number of Beats 0:30 65 1:00 130 1:30 195 2:00 250 2:30 325 3:00 280 Circle one: steady tempo/tempo change. If there was a steady tempo, write the constant of proportionality here: ______________ Challenge: If there was a tempo change, put a star by the moment in the song that the tempo changed. Next to your star, write down if the tempo became faster or slower at the end of the song. Song 4 Song 4 480 440 400 360 320 280 240 200 160 120 80 40 0 Song 4 0:30 1:00 1:30 2:00 2:30 3:00 Circle one: steady tempo/tempo change. If there was a steady tempo, write the constant of proportionality here: ______________ Challenge: If there was a tempo change, put a star by the moment in the song that the tempo changed. Next to your star, write down if the tempo became faster or slower at the end of the song. Extra Stuff… Vocabulary: Rate: Comparison between two things with different units Tempo: speed of the music, measured in beats per minute… Pace/Speed: speed of the person (or vehicle), measured in miles per hour… Density: mass/volume Rhythm: pattern of sounds (not necessarily keeping the steady beat) Metronome/metronomic: metronome keeps the temp and informs what the tempo is, metronomic approach means that you are considering the tempo when making the music. Dorian mode: minor (sad)/angry sounding Haile Gerreselassie, the Olymipian from Ethiopia who has won the gold medal at 10,000 meters, often requested that the techno song “Scatman,” which has a B.P.M. of around 135, be played over the sound system during his race. Ask a question. Adagio: slow and stately (literally, “at ease”) Andante: at a walking pace Allegro: fast, quickly and bright SWBAT determine unit rate (use proportions) SWBAT determine proportionality from tables SWBAT apply constant of proportionality to complete the pattern in tables SWBAT determine proportionality from graphs and identify the features of graphs that indicate proportionality. SWBAT write equations to represent proportional relationships. 7. The graph below shows a proportional relationship between velocity and time (in seconds). Which point on the graph represents the unit rate? A. (4, 1) B. (1, 4) C. (0, 0) D. (5, 20) 8. David is making his own strawberry yogurt. In David’s mixture, the number of strawberries is proportional to the amount of milk, in cups. David uses 4 cups of milk for every 14 strawberries. Which equation represents the relationship between s, the number of strawberries, and m, the number of cups of milk he uses? 2 A. 𝑠= 𝑚 B. 𝑠= 𝑚 C. 𝑠= 𝑚 D. 𝑠= 𝑚 9 7 2 2 7 9 2 9. Reynaldo started to fill in the table below showing the proportional relationship between how far in miles he can travel for each gallon of gas he uses. When Reynaldo’s tank is full, it holds 20 gallons. How far can he travel on a full tank of gas? A. 224 miles B. 28 miles C. 1,120 miles D. 560 miles 10. A scaled map of the United States has the key below showing how to convert centimeters to miles. What is the constant of proportionality? A. 3 4 cm per mile 1 B. 1 3 cm per mile C. 24 cm per mile D. 3 cm for every 4 miles 11. Use the double line diagram below to determine the unit price of potatoes. 0 Dollars 1.5 0 2 3.7 5 Potatoes 0 6 8 A. 2 dollars for 8 potatoes B. $4.00/potato C. $1.50/potato 15 D. $0.25/potato 1) Use the data about the number of red and green blocks in different size groups to answer the questions below. a) Are the red blocks proportional to the green blocks? Explain in complete sentences how you know. (2 points) ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ b) What is the constant of proportionality in the table above? (2 points) Answer: ___________________ c) Find the missing value for X in the table above. (1 point) Answer: ___________________ d) Write an equation to represent the proportional relationship, using the variable g, for green, and the variable r, for red. (2 points) Answer: ________________________________________ 2) In 1985, the cell phone was first introduced to Centreville with 200 users. The table below shows how the number of users changed every year. Years Users 1 350 2 600 3 800 4 925 a) Graph the points on the coordinate plane below. Cell Phone Users Over Time 1,000 Users 75 0 50 0 250 50 1 2 3 4 5 Years 1 0 5 1,000 b) Identify features of the graph above that indicate whether the number of users is proportional to the number of years since the phones were introduced. (2 points) ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ ____________________________________________________________ 3) Ms. Brown wants the ratio of failing to passing grades on her test to always be 12 : 18. a) Fill in the table below showing the number of passing and failing grades. Failing (x-axis) Passing (y-axis) 1 6 15 12 18 b) Graph and connect the points on the coordinate grid below. (2 points) c) What does the origin represent in the context of the problem? (1 point) ________________________________________________________ ____ ________________________________________________________ ____ d) What point on the graph represents the constant of proportionality? Use your knowledge of proportions to explain why this makes sense. (2 points) ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ e) Write an equation that represents the relationship between passing grades, p, in terms of failing grades, f. (1 point) Answer: ___________________________________ 4) Jack and Jill raced cross-country on motorbikes. Jack drove 325 miles in 5 hours. Jill took 6 ½ hours to travel the same distance as Jack. Who was travelling faster? Use your knowledge of unit rates to explain your answer. (2 points) ___________________________________________________________ _ ___________________________________________________________ _ ___________________________________________________________ _ ___________________________________________________________ _ 5) Amy and her family were traveling during their vacation. She looked at her watch during the morning at Point 1 in the diagram below, and then later that morning at Point 2 in the diagram below. Her mom told her how far they traveled in that time, as shown below. Amy’s watch Amy’s watch 60 miles Point 1 Point 2 a) What is the unit rate of the car? Explain in complete sentences what the unit rate means in the context of this problem. (3 points) Unit Rate = _____________________ ________________________________________________________ ____ ________________________________________________________ ____ ________________________________________________________ ____ b) Amy’s dad said the entire trip was 1,200 miles. How many hours will it take to complete the trip? Answer: __________________________ c) Write an equation for the distance, d, in terms of the hours, h. (1 point) Answer: __________________________