1. a.
1, 11
1, 2, 3, 4, 6, 8, 12, 24
1. c.
11- prime
12- composite
6. a.
5 x 12 = x
60 years old
10. a.
5 x 3 x 8 = a
120 packs of paper
8. a.
5
9. a. 1 & 2
7
50
9. a. 5
2
8. b.
8
5
20 = 4 x f
20 / f = 4
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, etc.
It has only one factor pair.
It has only 2 factors.
It have only one equation.
It has only one array.
9. a. 6 & 7
21
40
9. b. 1
10
9. b. 2
60
9. a. 3 & 4
4
7
9. b. 3
6
4
63 crayons are 9 times the 7 crayons at the green table
6. b.
19 x 2 = x
$28
1. b.
11: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, etc.
24: 24, 48, 72, 96, 120, etc.
9. b. 4
9
11. b.
((5 x 3) + (5 x 5)) / 10 = p
6. c.
9 x a = 36
4 times
10. b.
36 / 4 = c
9 markers
11. a.
4 pencils
3
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, etc.
It have more than one factor pair.
It has more than 2 factors.
It has multiple equations.
It has multiple arrays.
7
1 2 5 10 9
8 16 40 80 72