Number Families (Factors: 20, 24, 28,30,32,36,40,42,48)


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20

1 x 20  = 20 20 ÷ 1  = 20
20 x 1  = 20 20÷ 20  = 1
2 x 10  = 20 20 ÷ 2  = 10
10 x 2  = 20 20 ÷ 10  = 2
4 x 5  = 20 20 ÷ 4  = 5
5 x 4  = 20 20 ÷ 5  = 4

24

1 x 24  = 24 24 ÷ 1  = 24
24 x 1  = 24 24 ÷ 24  = 1
2 x 12  = 24 24 ÷ 2  = 12
12 x 2  = 24 24 ÷ 12  = 2
3 x 8  = 24 24 ÷ 3  = 8
8 x 3  = 24 24 ÷ 8  = 3
4 x 6  = 24 24 ÷ 4  = 6
6 x 4  = 24 24 ÷ 6  = 4

 

28

1 x 28  = 28 28 ÷ 1  = 28
28 x 1  = 28 28 ÷ 28  = 1
2 x 14  = 28 28 ÷ 2  = 14
14 x 2  = 28 28 ÷ 14  = 2
4 x 7  = 28 28 ÷ 4  = 7
7 x 4  = 28 28 ÷ 7  = 4

 

30

1 x 30  = 30 30 ÷ 1  = 30
30 x 1  = 30 30 ÷ 30  = 1
2 x 15  = 30 30 ÷ 2  = 15
15 x 2  = 30 30 ÷ 15  = 2
5 x 6  = 30 30 ÷ 5  = 6
6 x 5  = 30 30 ÷ 6  = 5

32

1 x 32  = 32 32 ÷ 1  = 32
32 x 1  = 32 32 ÷ 32  = 1
2 x 16  = 32 32 ÷ 2  = 16
16 x 2  = 32 32 ÷ 16  = 2
4 x 8  = 32 32 ÷ 4  = 8
8 x 4  = 32 32 ÷ 8  = 4

 

36

1 x 36  = 36 36 ÷ 1  = 36
36 x 1  = 36 36 ÷ 36  = 1
2 x 18  = 36 36 ÷ 2  = 18
18 x 2  = 36 36 ÷ 18  = 2
4 x 9  = 36 36 ÷ 4  = 9
9 x 4  = 36 36 ÷ 9  = 4
6 x 6  = 36 36 ÷ 6  = 6

40

1 x 40  = 40 40 ÷ 1  = 40
40 x 1  = 40 40 ÷ 40  = 1
2 x 20  = 40 40 ÷ 2  = 20
20 x 2  = 40 40 ÷ 20  = 2
4 x 10  = 40 40 ÷ 4  = 10
10 x 4  = 40 40 ÷ 10  = 4
5 x 8  = 40 40 ÷ 5  = 8
8 x 5  = 40 40 ÷ 8  = 5

42

1 x 42  = 42 42 ÷ 1  = 42
42 x 1  = 42 42 ÷ 42  = 1
2 x 21  = 42 42 ÷ 2  = 21
21 x 2  = 42 42 ÷ 21  = 2
3 x 14  = 42 42 ÷ 3  = 14
14 x 3  = 42 42 ÷ 14  = 3
6 x 7  = 42 42 ÷ 6  = 7
7 x 6  = 42 42 ÷ 7  = 6

48

1 x 48  = 48 48 ÷ 1  = 48
48 x 1  = 48 48 ÷ 48  = 1
2 x 24  = 48 48 ÷ 2  = 24
24 x 2  = 48 48 ÷ 24  = 2
3 x 16  = 48 48 ÷ 3  = 16
16 x 3  = 48 48 ÷ 16  = 3
4 x 12  = 48 48 ÷ 4  = 12
12 x 4  = 48 48 ÷ 12  = 4
6 x 8  = 48 48 ÷ 6  = 8
8 x 6  = 48 48 ÷ 8  = 6

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Related Resources

The Multiplication and division Chart above is aligned, either partially or wholly, with the standard 3OA06 from the Common Core Standards For Mathematics (see the shortened extract below). The resources below are similarly aligned.

Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8.

Chart

Fact Families

Worksheet

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Understand properties of multiplication and the relationship between multiplication and division

 

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