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Lesson Menu Five-Minute Check (over Lesson 1–6) Main Idea Example 1:Use the Guess and Check Strategy

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Main Idea/Vocabulary Solve problems by using the guess and check strategy.

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Example 1 Use the Guess and Check Strategy Hal is younger than Randi. Each of their ages is a different prime number. The total of their ages is 91. How old are Hal and Randi? UnderstandYou know that Hal is younger than Randi. Each of their ages is a different prime number, and the total of their ages is 91. You need to find what their ages are. PlanMake a guess until you find an answer that makes sense for the problem.

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Example 1 Use the Guess and Check Strategy Solve CheckHal’s age is less than Randi’s age. Both 2 and 89 are prime numbers, and = 91. So, the answer is correct. Answer: So, Hal is 2 years old, and Randi is 89 years old.

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1.A 2.B 3.C 4.D Example 1 A.2 $10-bills, 1 $5-bill, 2 $1-bills, 2 dimes, and 1 nickel B.1 $10-bill, 2 $5-bills, 2 $1-bills, 2 dimes, and 1 penny C.1 $20-bill, 1 $5-bill, 3 $1-bills, 2 quarters, 1 penny D.2 $10-bills, 1 $5-bill, 2 $1-bills, 1 quarter, 1 nickel, and 1 penny Leah has 5 bills and 3 coins in her pocket. If she has a total of $27.31 in her pocket, what kind of bills and coins does she have?

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End of the Lesson

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Resources Five-Minute Check (over Lesson 1–6) Image Bank Math Tools Rectangular Arrays Area of Rectangles and Squares

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1.A 2.B 3.C 4.D Five Minute Check 1 A.0, 3, 6B. 0, 6, 9 C.3, 6, 9 D. 3, 6, 10 Complete the function table. (over Lesson 1-6)

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1.A 2.B 3.C 4.D Five Minute Check 2 A.0, 10, 26B. 0, 12, 26 C.4, 8, 16 D. 4, 10, 26 Complete the function table. (over Lesson 1-6)

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1.A 2.B 3.C 4.D Five Minute Check 3 Find the rule for the function table. (over Lesson 1-6) A.B.–2x C.D.2x

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1.A 2.B 3.C 4.D Five Minute Check 4 A.3xB.x – 3 C.3 – xD.x + 3 Find the rule for the function table. (over Lesson 1-6)

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1.A 2.B 3.C 4.D Five Minute Check 5 A.2 B.8 C.14 D.16 If a function rule is 3x – 1, what is the output for an input of 5? (over Lesson 1-6)

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