1) what are the factors of 12 . a) 1,2,3,4,6,10 b) 2,5,8,9 c) 1,9,4,8 d) 5,2,1,2 e) ,1,2,3,4,5,6,7,8,9 f) ,1,6,9 2) what are the factors of 20 . a) 1,2,3,4,6,10 b) 2,5,8,9 c) 1,9,4,8 d) 5,2,1,2,7 e) 1,2,4,5,10,20 f) ,1,6,9 3) what are the factors of 100 . a) 1,2,3,4,6,10 b) 1,2,4,5,10,20,25,50,100 c) 1,9,4,8, 10 d) 5,2,1,2 e) ,1,2,3,4,5,6,7,8,9,100 f) ,1,6,9 4) what are the factors of 18 . a) 1,2,3,6,9, 18 b) 2,5,8,9 c) 1,9,4,8 d) 5,2,1,2 e) ,1,2,3,4,5,6,7,8,9 f) ,1,6,9 5) what are the factors of 30 . a) 1,2,3,4,6,10 b) 2,5,8,9 c) 1,2, 3, 5, 6, 10, 15, 30 d) 5,2,1,2 e) ,1,2,3,4,5,6,7,8,9 f) ,1,6,9 6) the multiples of 4 a) 0,3,6,9,12 b) 0,10,20,30,40,50 c) 0,4,8,12,16,20 d) 1,2,5,7 e) 1,2,5,10 f) 2,10,20,30 7) find the factors of 4 a) 1,7 b) 1,2,7,14 c) 1,2,4 d) 0,10,20,30,40,50 e) 0,4,8,12,16,20 f) 2,10,20,30 8) What are the multiples of 10? a) 2,10,20,30 b) 1,2,5,10 c) 10,20,30,40,50,60,70,80,90,100 d) 1,2,3,4,5,6,7,8,9,10 e) 0,4,8,12,16,20 f) 1,2, 3, 5, 6, 10, 15, 30 9) What are the factors of 10 a) 1,3,4,5,6,10 b) 1,2,5,10 c) 10,20,30,40,50,60,70,80,90,100 d) 2,10,20,30 e) 1,2,3,4,5,6,7,8,9,10 f) 0,4,8,12,16,20 10) Multiply 9x7 a) 81 b) 72 c) 63 d) 99 e) 97 f) 1,3,9

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