Factors
Name one number that is a factor of 49
1, 7, 49
Name one number that is a multiple of 9
9, 18, 27, 36, 45, 54, 63, 72, 81, 90
Which of these numbers is prime?
18, 41, 45, 77, 93
41
Which of these numbers is composite?
3, 11, 12, 19, 41
List all the factors of 24
1, 2, 3, 4, 6, 8, 12, 24
Write an equation that shows 55 is a multiple of 11
55 / 5 = 11
11 x 5 = 55
Which of these numbers is prime?
29, 33, 51, 65, 70
29
11, 25, 29, 43, 47
25
List all the factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
List three multiples of 6
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
Which of these numbers is prime?
15, 45, 63, 73, 88
73
Which of these numbers is composite?
5, 17, 19, 59, 63
63
72 = 9 x 8
9 = 72 / 8
8 = 72 / 9
Write an equation that best shows 45 is a multiple of 15
45 / 3 = 15
3 x 15 = 45
Which of these numbers is prime?
27, 55, 59, 63, 72
59
Which of these numbers is composite?
31, 33, 43, 53, 67
33
32 = 8 x 4
8 = 32 / 4
4 = 32 / 8
List five multiples of 8
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
Which of these numbers is prime?
9, 31, 39, 44, 95
31
Which of these numbers is composite?
3, 23, 29, 41, 87
87