Chapter 1 Basic computation

Question 1

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CCSS.4.OA.B.4

Question 2

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CCSS.4.OA.B.4

Question 3

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CCSS.4.OA.B.4

Question 4

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CCSS.4.OA.B.4

Question 5

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CCSS.4.OA.B.4

Which of the following is not true?

• 2³ = 2 x 2 x 2

• 3² = 3 x 3

• 3⁵ = 3 x 3 x 3 x 3 x 3 x 3

• 5³ = 5 x 5 x 5

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CCSS.6.EE.A.1

Which of the following is not a prime number?

• 2

• 29

• 43

• 77

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CCSS.4.OA.B.4

Express 70 as a product of prime factors.

• 1 x 70

• 5 x 14

• 7 x 10

• 2 x 5 x 7

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CCSS.4.OA.C.5

Which of the following is the H.C.F. of 2² x 3 and 2³ x 3²?

• 2 x 3

• 2² x 3

• 2² x 3²

• 2³ x 3²

Which of the following is the L.C.M. of 3³ x 5 x 7² and 3⁴ x 7?

• 3³ x 7

• 3⁴ x 7²

• 3³ x 5 x 7

• 3⁴ x 5 x 7²