Fact Families
Write two addition sentences that fit in with this fact family.
3-2=1
3-1= 2
1+2=3
2+1= 3
Tom has a box of 8 crayons. 3 crayons are red. How many crayons are not red?
5 crayons
? = 7+ 1
8
Write two subtraction sentences to match the addition sentences in this fact family.
4+5 =9
5+4= 9
9-5=4
9-4=5
There are 9 pieces of fruit in the bowl. Four are apples. The rest are oranges.
How many pieces of fruit are oranges?
5 oranges
8 + ___ = 10
2
Write a fact family using these three numbers.
6,4,10
6+4 =10
4+6 = 10
10- 6 = 4
10- 4= 6
There were 6 hot dogs on the grill. Two finish cooking and are
removed. How many hot dogs remain on the grill?
4 hot dogs
? = 6-2
4
Find the missing part and then write a fact family.
3 + ____ = 7
3+ 4 =7
4 + 3= 7
7- 4 =3
7- 3 =4
Missy gets 6 presents for her birthday. She unwraps some. Four are still wrapped.
How many presents did she unwrap?
2 presents
6 = ____ - 3
9