Related Facts +/-
1 + 2 = ______
3 - 1 = _______
1 + 2 = 3
3 - 1 = 2
2 + 2 = ________
4
7 + ______ = 12
12 - _______ = 7
5
11, 5, 6
5+6=11
6+5=11
What are the 2 subtraction facts?
11-5=6
11-6=5
Addend
A number that we add
3 + 9 = ______
12 - 3 = ______
3 + 9 = 12
12 - 3 = 9
4 + 4 = _________
8
4 + _______ = 10
10 - _______ = 4
6
9, 2, 7
9-2=7
9-7=2
What are the 2 addition facts?
2+7=9
7+2=9
Add
Add 2 numbers together to get a bigger number
6 + 7 = ______
13 - 6 = ______
6 +7 = 13
13 - 6 =7
6 + 6 = __________
12
________ + 5 = 8
8 - ______ = 5
3
13, 5, 8
5+8=13
8+5=13
What are the 2 subtraction facts?
13-5=8
13-8=5
Subtract
Take away a small number from a bigger number
14 - 9 = ______
9 + 5 = _______
14 - 9 = 5
9 + 5 = 14
8 + 8 = _______
16
______ + 7 = 13
13 - ______ = 7
6
8, 3, 5
8-3=5
8-5=3
What are the 2 addition facts?
3+5=8
5+3=8
Number line
A tool that can help me add or subtract. Numbers listed in order.
3 + 4 = ____
7 - _____ = _____
3 + 4 = 7
7 - 3 = 4 OR 7 - 4 = 3
10 + 10 = _______
20
5 + 4 = ______
______ - 5 = 4
9
10, 2, 8
Give all 4 related facts in the family.
Hint: 2 addition and 2 subtraction.
The BIGGEST number is the BULLY!!!
2+8=10
8+2=10
10-8=2
10-2=8
Fact Family
A group of 4 related facts, 2 addition and 2 subtraction. They use the same numbers.