Fact Families
If you know 4 + 3= 7, what is the other addition fact in the same fact family?
3 + 4 = 7
4+7
11
Take a ten from 40, what number is left?
30
3 + ___= 10
7
If I start at 5 and jump forward 7, what number will you be on?
12
If you know 12 + 5 = 17 and 5 + 12= 17, what are the two subtraction facts in the same fact family?
12 - 7= 5
12 - 5 = 7
20+50
70
Take a ten from 35, what number is left?
25
9+6 = ____+ ____
10+5
5 + ____= 14
9
6+ 5= 11, what are the other three facts in the fact family?
5+6= 11
11-6=5
11-5=6
50+34
84
13- 8=
10-8= 2
2+3= 5
What is another way to write this? 8+2+3
a. 11+3
b. 10+2
c. 10+ 3
c. 10+3
If you start at 12 and go back 7 spots, where do you finish?
5
True or False.
You can start your subtraction sentence with the smallest number.
False
73- 40
33
45- 9=
10- 9= 1
35+1= 36
29 + 8
29+1=30
30+7=37
_____+ 6= 13
7
Make the fact family with the numbers 15, 9, 6
15-9=6
15-6=9
6+9=15
9+6= 16
89- 3
86
70- 8 =
10-8=2
60+2= 62
76+8
76+4=80
80+4=84
How much more is 25 than 16?
9