Partners for 10
5 + __ =10
5
There are 6 crayons on a desk. Some roll off. Now there are 2 crayons on the desk. How many crayons rolled off?
4 crayons
6 - 2 = 4
6 + 8 + 4 = ?
18
What equation is missing in the fact family?
11 + 5 = 16 16 - 11 = 5
5 + 11 = 16
16 - 5 = 11
True or False?
7 + 2 = 6 + 3
True
7 + 2 = 9
6 + 3 = 9
1 + __ =10
9
There are 5 flowers. More flowers grow. Now there are 8 flowers. How many more flowers grow?
3 flowers
8 - 5 = 3
7 + 5 + 7 = ?
19
What equation is missing in the fact family?
7 + 8 = 15 15 - 7 = 8
15 - 8 = 7
8 + 7 = 15
True or False?
16 - 8 = 1 + 7
True
16 - 8 = 8
1 + 7 = 8
__ + 6 =10
4
There are 7 frogs. 3 frogs are small and the rest are big. How many frogs are big?
4 frogs are big
7 - 3 = 4
2 + 8 + 5 = ?
15
What equation is missing in the fact family?
3 + 7 = 10 7 + 3 = 10
10 - 3 = 7
10 - 7 = 3
True or False?
10 + 4 = 7 + 7
True
10 + 4 = 14
7 + 7 = 14
8 + __ =10
2
There are 15 heart stickers and 4 star stickers. Tell two equations that show how many stickers there are in all.
15 + 4 = 19
4 + 15 = 19
Commutative Property
2 + 6 + 4 = ?
12
What are the equations in the fact family for: 12, 5, 17?
12 + 5 = 17 17 - 12 = 5
5 + 12 = 17 17 - 5 = 12
True or False?
4 + 8 = 10 - 6
False
4 + 8 = 12
10 - 6 = 4
__ + 3 =10
7
A teacher has 14 books. They give some away. Now they have 5 books. How many books did they give away?
9 books
14 - 5 = 9
9 + 2 + 9 = ?
20
What are the equations in the fact family for: 3, 10, 13?
3 + 10 = 13 13 - 3 = 10
10 + 3 = 13 13 - 10 = 3
True or False?
15 + 5 = 10 + 10
True
15 + 5 = 20
10 + 10 = 20