5+3=?
5+3=8
2+2=?
2+2=4
Write an equation with the number 5, using the picture below.
5+3=8
If 3+1= 4 then... __+__=__
1+3=4
10-1=?
10-1=9
6+4=?
6+4=10
5+5=?
5+5=10
Write an equation with the number 5, using the picture below.
5+2=7
If 4+2=6, then... __+__=__
2+4=6
2-1=?
2-1=1
10+5=?
10+5=15
In your own words, describe what a doubles fact is.
A doubles fact is when the addends in a problem are the same. For example, 1+1, 2+2, 3+3 etc.
Write an equation with the number 5, using the picture below.

5+4=9
If 9+12=21, then... ___+__=___
12+9=21
1-1=?
1-1=0
If you count 3 up from 6, what number do you get?
3 up from 6 is 9.
Does the picture show a doubles fact?
No! The addends are not the same.
Write an equation with a sum of 10, using the picture below.

6+4=10
If 50+30=80, then ___+___=___
30+50=80
Count back 3 from 7. What number do you stop at?
3 backwards from 7 is 4.
If you count 2 up from 100, what number do you get?
2 up from 100 is 102.
What doubles fact could help us solve the problem 1+2=?
The doubles fact 1+1 could help us solve this problem. We would add 1+1 then just count up 1 more from that answer. We would then know 1+2=3
Write an equation with a sum of 10, using the picture below.

7+3=10
If 100+120=220, then ___+___=___
120+100=220
Count back 5 from 10. What number do you stop at?
5 backwards from 10 is 5.