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Flashcards Monday, April 14 Chapter 6 Review Chapter 6 Review 1. The perimeter of a rectangle can be found using the expression 2ℓ + 2w, where ℓ represents length and w represents width. Find the perimeter of the front of a new building whose design is shown below. A. 180 feet B. 210 feet C. 240 feet D. 420 feet Chapter 6 Review 1. The perimeter of a rectangle can be found using the expression 2ℓ + 2w, where ℓ represents length and w represents width. Find the perimeter of the front of a new building whose design is shown below. A. 180 feet B. 210 feet C. 240 feet D. 420 feet 2 · 120 + 2 · 90 = 420 ft Answer: D Chapter 6 Review 2. Ora bought the variety pack of granola bars shown. The box contains 24 granola bars. How much does one granola bar cost? F. $0.29 G. $0.30 H. $1.35 I. $3.33 Chapter 6 Review 2. Ora bought the variety pack of granola bars shown. The box contains 24 granola bars. How much does one granola bar cost? F. $0.29 G. $0.30 H. $1.35 I. $3.33 $7.20 ÷ 24 = $0.30 Answer: G Chapter 6 Review 3. The cost of renting roller blades is $4 plus $3.50 for each hour that the roller blades are rented. Which expression can be used to find the cost in dollars of renting roller blades for h hours? A. 4h + 3.5 B. 3.5 – 4h C. 3.5(h + 4) D. 3.5h + 4 Chapter 6 Review 3. The cost of renting roller blades is $4 plus $3.50 for each hour that the roller blades are rented. Which expression can be used to find the cost in dollars of renting roller blades for h hours? A. 4h + 3.5 Since it says “$4 plus” there must be a “4 +” or “+ 4” in the B. 3.5 – 4h expression. C. 3.5(h + 4) D. 3.5h + 4 Answer: D Chapter 6 Review 4. GRIDDED RESPONSE The Manny family is installing a large patio in their backyard. Find the area of the patio in square yards. Chapter 6 Review 4. GRIDDED RESPONSE The Manny family is installing a large patio in their backyard. Find the area of the patio in square yards. A = 3.7 yd · 6.2 yd A = 22.94 yd² Chapter 6 Review 5. Which of the following illustrates the Distributive Property? F. 3(2x + 4) = 5x + 4 G. 3(2x + 4) = 5x + 7 H. 3(2x + 4) = 6x + 4 I. 3(2x + 4) = 6x + 12 Chapter 6 Review 5. Which of the following illustrates the Distributive Property? Remember – whatever F. 3(2x + 4) = 5x + 4 term is on the outside of G. 3(2x + 4) = 5x + 7 the parenthesis must be multiplied by both the H. 3(2x + 4) = 6x + 4 terms on the inside. I. 3(2x + 4) = 6x + 12 Answer: I Chapter 6 Review 6. SHORT RESPONSE What is the value of 45 ÷ (7 + 2) – 1? Chapter 6 Review 6. SHORT RESPONSE What is the value of 45 ÷ (7 + 2) – 1? 45 ÷ 9 – 1 5–1 4 Chapter 6 Review 7. The table shows the constant speed that each driver is driving. Using the Distributive Property, how many more miles will Ms. Santiago drive in 3 hours than Mr. Reynolds? A. 5 miles B. 15 miles C. 180 miles D. 195 miles Chapter 6 Review 7. The table shows the constant speed that each driver is driving. Using the Distributive Property, how many more miles will Ms. Santiago drive in 3 hours than Mr. Reynolds? A. 5 miles B. 15 miles C. 180 miles 3 hrs (65 mph – 60mph) D. 195 miles 3 hrs · 5 mph = 15 miles Answer: B Chapter 6 Review 8. Each figure below is divided into sections of equal size. Which figure has 87.5% of its total area shaded? Chapter 6 Review 8. Each figure below is divided into sections of equal size. Which figure has 87.5% of its total area shaded? F. 48 = 50% G. 78 = 87.5% 5 8 H. = 62.5% 1 8 I. = 12.5% Answer: G Calculator 7, A b/c, 8, 2nd, F D, = Chapter 6 Review 9. Which expression is NOT an example of the Commutative Property? A. b – t = t – b B. rt = tr C. f + a = a + f D. 5 • d = d • 5 Chapter 6 Review 9. Which expression is NOT an example of the Commutative Property? A. b – t = t – b The Commutative Property states the order in which terms B. rt = tr are added or multiplied does C. f + a = a + f not change the answer. D. 5 • d = d • 5 A is the only equation that does NOT use addition or multiplication. Answer: A Chapter 6 Review 10. At a state fair, each person pays $8 for admission plus $2 for each ride. While at the fair, Elizabeth goes on 6 rides. Which expression can be used to find the total amount Elizabeth spends? F. $8 + 6 × $2 G. ($8 + $2) × 6 H. ($8 + $2) + 6 I. $8 × 6 × $2 Chapter 6 Review 10. At a state fair, each person pays $8 for admission plus $2 for each ride. While at the fair, Elizabeth goes on 6 rides. Which expression can be used to find the total amount Elizabeth spends? F. $8 + 6 × $2 Admission + $2 · # of rides G. ($8 + $2) × 6 H. ($8 + $2) + 6 Answer: F I. $8 × 6 × $2 Chapter 6 Review 11. GRIDDED RESPONSE Norene is buying a coat that is on sale. Write 30% as a decimal. Chapter 6 Review 11. GRIDDED RESPONSE Norene is buying a coat that is on sale. Write 30% as a decimal. 30% = 0.30 Calculator 30, 2nd, %, 2nd, F D, = Chapter 6 Review 12. Which expression is equivalent to 5 + 42 × 2? A. 21 × 2 B. 5 + 32 C. 92 × 2 D. 5 + 82 Chapter 6 Review 12. Which expression is equivalent to 5 + 42 × 2? A. 21 × 2 5 + 42 × 2 B. 5 + 32 C. 92 × 2 5 + 16 × 2 D. 5 + 82 5 + 32 37 Answer: B Chapter 6 Review 13. GRIDDED RESPONSE A garden has five light poles in the positions shown. A party planner wants to connect each light pole directly to each of the other poles with a string of lights for an (−1) 2 outdoor party. The expression where n represents the number of poles, can be used to determine how many strings are needed. How many strings are needed to connect the five poles? Chapter 6 Review 13. GRIDDED RESPONSE A garden has five light poles in the positions shown. A party planner wants to connect each light pole directly to each of the other poles with a string of lights for an (−1) 2 outdoor party. The expression where n represents the number of poles, can be used to determine how many strings are needed. How many strings are needed to connect the five poles? 5(5−1) 2 5 4 2 = = 20 = 10 2 Chapter 6 Review 14. EXTENDED RESPONSE Cary earns $5 per hour raking leaves for her next-door neighbor. She owes her mom $6. Part A Suppose Cary raked leaves for h hours and paid her mother the $6 she owed her. Write an expression to represent the amount of money Cary will have left. Part B Use your expression from Part A to find how much money she will have left if she rakes leaves for 3 hours and pays her mother. Explain how you solved. Chapter 6 Review 14. EXTENDED RESPONSE Cary earns $5 per hour raking leaves for her next-door neighbor. She owes her mom $6. Part A Suppose Cary raked leaves for h hours and paid her mother the $6 she owed her. Write an expression to represent the amount of money Cary will have left. 5 · # of hours raked - $6 she owes mom 5h - 6 Chapter 6 Review 14. EXTENDED RESPONSE Cary earns $5 per hour raking leaves for her next-door neighbor. She owes her mom $6. Part B Use your expression from Part A to find how much money she will have left if she rakes leaves for 3 hours and pays her mother. Explain how you solved. 5h – 6 5 · 3 – 6 = $9 Chapter 6 Review 14. EXTENDED RESPONSE Cary earns $5 per hour raking leaves for her next-door neighbor. She owes her mom $6. Part B Use your expression from Part A to find how much money she will have left if she rakes leaves for 3 hours and pays her mother. Explain how you solved. 5h – 6 5 · 3 – 6 = $9 Chapter 6 Review Agenda Notes Homework– Homework Practice OAA – CH6a Due Tuesday, April 15 Final Exam- Friday, April 25 Blizzard Bag #3 – Show All Work