Addition
1+1=
2
The large number
How many equations are in a fact family?
4
2+1=
3
3-2
1
2+1=3
1+2=3
Which type of equation am I missing in this fact family?
3+2=
5
4-2
2
4-1=3
4-3=1
Which type of equation am I missing in this fact family?
Addition
4+4=
8
7-4
3
Finish my fact family tree
5-3=2
3+2=5
5-2=3
2+3=5
7+3=
10
10-6
4
If I have the number 3, 4, and 7, what are my four fact family equations that I can make? (Hint: do NOT forget that there must be 2 addition and 2 subtraction equations)
3+4=7
4+3=7
7-4=3
7-3=4