Related Facts Addition and Subtraction

Rewrite this addition fact family as subtraction
2 + 3 = 5

• 3+ 2 = 5
• 5 - 3 = 2

Rewrite this number sentence as an addition sentence
5 - 2 = 3

• 3 + 2 = 5
• 5 - 3 = 2

Find the addition sentence for this subtraction fact;
6 - 2 = 4

• 2 - 6 = 4
• 6 - 4 = 2
• 2 + 4 = 6
• 6 + 4 = 2

Find the subtraction sentence for this addition fact:
3 + 6 = 9

• 6 - 3 = 9
• 9 - 6 = 3
• 9 - 4 = 5
• 9 + 3 = 6

Which number is missing from this fact family?
7+______=10

• 4
• 2
• 3
• 17

Which number is missing from this fact family?
4+______=11

• 6
• 7
• 15
• 9

Which number is missing from this fact family?
9+______=18

• 8
• 9
• 27
• 6

Which number is missing from this fact family?
10-_______=5

• 15
• 5
• 6
• 4

Finish this fact family.
2+8=10
8+2=10
10-2=8

• 10-5=5
• 8-2=10
• 10-8=2
• 8-10=2

3 + 5 = 

• 2
• 10
• 8
• 7