Standard Algorithm
10 -: 2
5
Is 2 a factor of 24?
Yes, 2 is a factor of 24.
2 x 12 = 24
List the next five multiples of 3 starting with 6:
6, 9, 12, 15, 18
Is 3 prime or composite? List all factor pairs.
Prime:
1 x 3 = 3
24 -: 3 =
8
Is 4 a factor of 36?
Yes, 4 is a factor of 36.
4 x 9 = 36
List the next 5 multiples of 4 starting with 12:
12, 16, 20, 24, 28
Is 8 prime or composite? List all factor pairs.
Composite.
1 x 8 = 8
2 x 4 = 8
48 -: 3 =
16
Is 5 a factor of 32?
No, 5 is not a factor of 32 because there is a remainder of 2.
List the next 5 multiples of 6 starting with 36:
Is 17 prime or composite? List all factor pairs.
Prime:
1 x 17 = 17
80 -: 5 =
16
Is 6 a factor of 72?
Yes, 6 is a factor of 72.
6 x 12 = 72
List the next five multiples of 7 starting at 49:
49, 56, 63, 70, 77
Is 54 prime or composite? List all factor pairs.
Composite:
1 x 54 = 54
2 x 27 = 54
3 x 18 = 54
6 x 9 = 54
91 -: 4 =
22, R3
Is 6 a factor of 85?
No, 6 is not a factor of 85 because there is a remainder of 1.
List the next 5 multiples of 8 starting at 72:
72, 80, 88, 96, 104
Is 79 prime or composite? List all factor pairs.
Prime:
1 x 79 = 79