Math Vocabulary
A fact that adds two of the same numbers
2+2=4
4+4=8
5+5=10
Doubles
Abby had 3 kittens. She got 2 more kittens. How many kittens does she have altogether?
3+2=5
5 kittens
5+5
10
1
Liam had 4 toy cars. He got 5 more. How many toy cars does he have altogether?
4+5=9
9 toy cars
The operation you use to put numbers together (1+4=5)
Addition
There were 6 cupcakes. 3 cupcakes got eaten. How many cupcakes are left?
6-3=3
3 cupcakes
10+10
20
10+0
10
A doubles fact that will help you solve 6+7
6+6 OR 7+7
The operation you use to take away (3-1=2)
Subtraction
Sam had 10 stickers. He gave some stickers to his friend. He has 6 stickers left. How many stickers did he give to his friend?
10-6=4 or 6+4=10
4 stickers
5+6
11
15-0
15
4+__=11
7
2+5=7
5+2=7
7-5=2
7-2=5
Fact Family
There were 8 balloons at the party. Cam brought some more balloons. Now there are 15 balloons. How many balloons did Cam bring?
15-8=7 or 8+7=15
7 balloons
10+9
19
25-0
25
WHOLE: 5
PART: 4 PART: ___
1
The rule that says you can add numbers in any order (3+4 or 4+3)
Commutative Property
Jack was 5 years old at his Pete the Cat themed birthday party. He had a Mario themed birthday party at his 8th birthday. How many years have passed since the Pete the Cat party?
8-5=3 or 3+5=8
3 years
7+7
303+0
303
Facts that go in this fact family:
7, 4, 3
3+4=7
4+3=7
7-4=3
7-3=4