Related Facts Revision

2 + 4 = 6

4 + 2 = 6

6 - 2 = 4

6 - 4 = 2

Is this a fact family

• Yes

• No

4 + 1 = 5

1 + 5 = 6

5 - 1 = 4

5 - 4 = 1

Is this a fact family?

• Yes

• No

Which addition fact is related to

8 - 1 = 7 ?

• 8 - 7 = 1

• 5 + 3 = 8

• 1 + 7 = 8

Which subtraction fact is related to

6 + 7 = 13 ?

• 13 - 3 = 10

• 13 - 6 = 7

• 7 + 6 = 13

Which subtraction fact is related to

2 + 7 = 9 ?

• 9 - 3 = 6

• 9 - 5 = 4

• 9 - 7 = 2

Which addition fact is related to

16 - 6 = 10 ?

• 16 - 10 = 6

• 6 + 10 = 16

• 3 + 13 = 16

Which fact is not related to 4 + 2 = 6 ?

• 2 + 4 = 6

• 6 - 4 = 2

• 3 + 3 = 6