5 Minute Check At CMS there are 360 students. 1. If 20% of the students like football, how many students like football? 2. If 35% of the students like basketball, how many students like basketball? 3. If 45% of the students are girls, how many students are boys? 4. If 30% of the students ride the bus, how many students do not ride the bus?

5 Minute Check At CMS there are 360 students. 1. If 20% of the students like football, how many students like football?

5 Minute Check At CMS there are 360 students. 1. If 20% of the students like football, how many students like football? 20% of 360 is 72 Calculator 20, 2nd, %, 360, =

5 Minute Check At CMS there are 360 students. 2. If 35% of the students like basketball, how many students like basketball?

5 Minute Check At CMS there are 360 students. 2. If 35% of the students like basketball, how many students like basketball? 35% of 360 is 126 Calculator 35, 2nd, %, 360, =

5 Minute Check At CMS there are 360 students. 3. If 45% of the students are girls, how many students are boys?

5 Minute Check At CMS there are 360 students. 3. If 45% of the students are girls, how many students are boys? 55% of 360 is 198 Calculator 55, 2nd, %, 360, =

5 Minute Check At CMS there are 360 students. 4. If 30% of the students ride the bus, how many students do not ride the bus?

5 Minute Check At CMS there are 360 students. 4. If 30% of the students ride the bus, how many students do not ride the bus? 70% of 360 is 252 Calculator 70, 2nd, %, 360, =

Flashcards

Wednesday, April 9 Chapter 3 Review

Chapter 3 Review 1. Justin was estimating the area of the square sticky note shown below. Which would be a reasonable estimate of the area of the note? Use A = 𝓁w. A. 36 square centimeters B. 49 square centimeters C. 64 square centimeters D. 72 square centimeters

Chapter 3 Review 1. Justin was estimating the area of the square sticky note shown below. Which would be a reasonable estimate of the area of the note? Use A = 𝓁w. A. 36 square centimeters B. 49 square centimeters C. 64 square centimeters D. 72 square centimeters A = 8 x 8 A = 64 cm² Answer: C

Chapter 3 Review 2. Marlene purchased 20 stamps at the post office for $8.40. What is the cost of one stamp? F. $0.41 G. $0.42 H. $1.68 I. $2.38

Chapter 3 Review 2. Marlene purchased 20 stamps at the post office for $8.40. What is the cost of one stamp? F. $0.41 G. $0.42 H. $1.68 I. $2.38 One Stamp = $8.40 ÷ 20 = $.42 Answer: G

Chapter 3 Review 3. SHORT RESPONSE Manuel bought supplies for making party favors. The table shows the cost of each supply. If Manuel made 12 party favors, how much did it cost to make each party favor?

Chapter 3 Review 3. SHORT RESPONSE Manuel bought supplies for making party favors. The table shows the cost of each supply. If Manuel made 12 party favors, how much did it cost to make each party favor? $2.oo $5.75 $6.39 + $4.82 $18.96 $18.96 ÷ 12 = $1.58

Chapter 3 Review 4. GRIDDED RESPONSE Shellie spent $10.56 on oranges that cost $0.88 per orange. How many oranges did she purchase?

Chapter 3 Review 4. GRIDDED RESPONSE Shellie spent $10.56 on oranges that cost $0.88 per orange. How many oranges did she purchase? $10.56 ÷ $.88 = 12

Chapter 3 Review 5. GRIDDED RESPONSE The average weight of a bass in a neighborhood lake is 5.1 pounds. Norman and his friend caught 4 bass. Assuming the bass were all average weight, what was the total weight in pounds of the fish they caught?

Chapter 3 Review 5. GRIDDED RESPONSE The average weight of a bass in a neighborhood lake is 5.1 pounds. Norman and his friend caught 4 bass. Assuming the bass were all average weight, what was the total weight in pounds of the fish they caught? 5.1 lbs x 4 = 20.4 lbs

Chapter 3 Review 6. Bartholomew went hiking over the weekend. He hiked all 4 trails in 3 hours. Which is the best estimate for the number of miles he hiked per hour? A. 2 miles B. 3 miles C. 15 miles D. 18 miles

Chapter 3 Review 6. Bartholomew went hiking over the weekend. He hiked all 4 trails in 3 hours. Which is the best estimate for the number of miles he hiked per hour? A. 2 miles B. 3 miles C. 15 miles D. 18 miles 2 mi + 1 mi + 3 mi + 1 mi 7mi 2 mi 4 hr = 4 hr ≈ 1 hr Answer: A

Chapter 3 Review 7. The area of Trina’s bedroom is 96.9 square feet. What is the length of her bedroom? Use A = 𝓁w. F. 10.2 feet G. 10.0 feet H. 9.2 feet I. 9.0 feet

Chapter 3 Review 7. The area of Trina’s bedroom is 96.9 square feet. What is the length of her bedroom? Use A = 𝓁w. F. 10.2 feet G. 10.0 feet H. 9.2 feet I. 9.0 feet 96.9 = 9.5 · l 96.9 9.5 · l 9.5 = 9.5 10.2 = l Answer: F

Chapter 3 Review 8. GRIDDED RESPONSE Find the area in square meters of a rectangle with a length of 2.1 meters and a height of 0.8 meter.

Chapter 3 Review A = 2.1m · 0.8m A = 1.68 m² 8. GRIDDED RESPONSE Find the area in square meters of a rectangle with a length of 2.1 meters and a height of 0.8 meter. A = 2.1m · 0.8m A = 1.68 m²

Chapter 3 Review 9. A model plane is 100 times smaller than an actual plane. The length of the model is 4.8 inches. What is the actual length of the plane? A. 480 feet B. 40 feet C. 20 feet D. 8 feet

Chapter 3 Review 4.8 in x 100 = 480 in 12 in 480 in 1 ft = x ft 9. A model plane is 100 times smaller than an actual plane. The length of the model is 4.8 inches. What is the actual length of the plane? A. 480 feet B. 40 feet C. 20 feet D. 8 feet 4.8 in x 100 = 480 in 12 in 480 in 1 ft = x ft 480 x 1 ÷ 12 = 40 ft Answer: B

Chapter 3 Review 10. SHORT RESPONSE Rita bought 5.7 pounds of bananas and 2.8 pounds of apples. Write a multiplication expression and find the total cost for the fruit. Round to the nearest cent.

Chapter 3 Review 5.7 x $0.59 + 2.8 x $1.99 = $3.363 + $5.572 = 10. SHORT RESPONSE Rita bought 5.7 pounds of bananas and 2.8 pounds of apples. Write a multiplication expression and find the total cost for the fruit. Round to the nearest cent. 5.7 x $0.59 + 2.8 x $1.99 = $3.363 + $5.572 = $3.36 + $5.57 $8.93

Chapter 3 Review 11. Malabar Middle School is raising money for a local charity. Their goal is to raise $500 by their holiday break. If they have 10 days before their break, what is a reasonable amount that they should collect each day to reach their goal? F. $5 G. $25 H. $50 I. $100

Chapter 3 Review $500 $ x 10 days = 1 day $500 x 1 ÷ 10 = $50 11. Malabar Middle School is raising money for a local charity. Their goal is to raise $500 by their holiday break. If they have 10 days before their break, what is a reasonable amount that they should collect each day to reach their goal? F. $5 G. $25 H. $50 I. $100 $500 $ x 10 days = 1 day $500 x 1 ÷ 10 = $50 Answer: H

Chapter 3 Review 12. Ignacio cut the board shown into 4.5 –inch pieces. How many pieces can he cut? A. 6 B. 7 C. 8 D. 9

Chapter 3 Review 12. Ignacio cut the board shown into 4.5 –inch pieces. How many pieces can he cut? A. 6 B. 7 C. 8 D. 9 40.5 in ÷ 4.5 in = 9 Answer : D

Chapter 3 Review 13. The table below shows times from the Men’s 4 × 100 meter Medley. The four swimmers each swam 100 meters. Suppose each swimmer swam the same amount of time. How long did each United States swimmer swim in the race? F. 67.335 s G. 67 s H. 52.335 s I. 52 s

Chapter 3 Review 13. The table below shows times from the Men’s 4 × 100 meter Medley. The four swimmers each swam 100 meters. Suppose each swimmer swam the same amount of time. How long did each United States swimmer swim in the race? F. 67.335 s G. 67 s H. 52.335 s I. 52 s 3 min and 29.34 sec = 209.34 sec ÷ 4 = 52.335 s Answer : H

Chapter 3 Review 14. EXTENDED RESPONSE Wesley lives in an apartment and would like to have his own vegetable garden. His city offers garden plots, but he has to pay for the fencing. Use A = 𝓁w. Part A Find the missing measurement for each plot. Part B Which plot requires the least amount of fencing? Part C Which plot has the greatest area?

Chapter 3 Review Plot A l = 20 ft p = 60.4 ft

Chapter 3 Review 14. EXTENDED RESPONSE Wesley lives in an apartment and would like to have his own vegetable garden. His city offers garden plots, but he has to pay for the fencing. Use A = 𝓁w. Part A Find the missing measurement for each plot. greatest area? Plot A Plot B l = 20 ft A= 204.48 ft² p = 60.4 ft h = 16

Chapter 3 Review 14. EXTENDED RESPONSE Wesley lives in an apartment and would like to have his own vegetable garden. His city offers garden plots, but he has to pay for the fencing. Use A = 𝓁w. Part A Find the missing measurement for each plot. greatest area? Plot A Plot B Plot C l = 20 ft A= 204.48 ft² l = 14.3 ft p = 60.4 ft h = 16 p = 57.2 ft

Chapter 3 Review 14. EXTENDED RESPONSE Wesley lives in an apartment and would like to have his own vegetable garden. His city offers garden plots, but he has to pay for the fencing. Use A = 𝓁w. Part B Which plot requires the least amount of fencing? Plot A Plot B Plot C p = 60.4 ft p = 57.56 ft p = 57.2 ft Plot C

Chapter 3 Review 14. EXTENDED RESPONSE Wesley lives in an apartment and would like to have his own vegetable garden. His city offers garden plots, but he has to pay for the fencing. Use A = 𝓁w. Part C Which plot has the greatest area? Plot A Plot B Plot C A = 204 ft² A = 204.48 ft² A = 204.49 ft² Plot C

Chapter 3 Review Agenda Notes Homework– Homework Practice OAA – CH3a Due Thursday, April 10 Final Exam Friday, April 25