10 questions
Select all the correct equations that relate to this calculation...
7 + 5 = 12
12 - 7 = 5
12 + 7 = 5
7 - 5 = 12
12 - 5 = 7
Is this a fact family?
1+2=3
2+1=3
3-1=2
3-2=1
YES
NO
Which two are related addition facts?
7+7 = 14
8+6 = 14
8+8 = 16
6+8 = 14
How many numbers are in a fact family?
9
5
3
Which equation does NOT go with the fact family 8, 5, 13?
8 + 5 = 13
5 + 8 = 13
8 - 5 = 3
Find the missing number in this equation: ? + 7 = 12.
5
6
7