1) How many arrays can Margie make with the 64 steppingstones? a) 3 b) 7 c) 9 d) 5 2) How many factors does 64 have? a) 2 b) 5 c) 9 d) 6 e) 7 3) 100 has nine factors, so how many arrays can be made out of 100 tiles? a) 20 b) 15 c) 9 d) 7 4) If you have 29 tiles, how many different rectangular arrays can you make? a) 1 b) 2 c) 3 d) 0 5) Is 29 prime or composite? a) Prime b) Composite 6) Is 64 prime or composite? a) Prime b) Composite 7) What are some factors of 12? Select all that apply. a) 1, 12 b) 2,6 c) 12, 24, 36 d) 3, 4 8) What are some multiples of 12? Select all that apply. a) 1, 12 b) 2, 6 c) 12, 24, 36 d) 3, 4 9) Which statement is true? a) The only factors of 6 are 6 and 1, so 6 is prime. b) The only factors of 7 are 1 and 7; therefore 7 is prime. c) The only factors of 14 are 14 and 1; therefore, 14 is prime. d) The only factors of 17 are 1 and 17; therefore. 17 is composite. e) The only factors of 31 and 1; therefore 31 is composite. 10) Is 29 prime or composite? a) Prime b) Composite 11) Is 51 prime or composite? a) Composite b) Prime 12) Select all equations that have a dividend as a multiple of 2 and a quotient as a factor of 24. a) 42 ÷ 7 = 6 b) 40 ÷ 10 = 4 c) 32 ÷ 4 = 8 d) 24 ÷ 4 = 6 e) 10 ÷ 5 = 2 f) 27 ÷ 9 = 3 13) Select all the true statements. a) 51 is a composite number. b) 52 is a multiple of 13. c) 5 is a facter of 53. d) 54 has more than two factors. e) 55 is a prime number. f) One of the factors of 56 is and odd number. 14) Which lists all the factors of 36 that are also composite numbers? a) 1, 36 b) 1, 2, 4, 6, 36 c) 4, 6, 9, 12, 18, 36 d) 1, 2, 3, 4, 6, 9, 12, 18, 36 15) Name two possible numbers between 42 and 50 that are multiples of 4. a) 44 b) 48 c) 47 d) 43 16) Which of the following are factor of 42 and prime. a) 2 b) 21 c) 7 d) 3 e) 6 17) Is 2 prime or composite? a) prime b) composite

Topic 7 Practice Test

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