Game Preview

Addition and Subtraction (up to 3) within 20

English 39 Public

addition and subtraction up to 20 +1 -1 +2 -2 +3 -3

Study Slideshow

1+1

=2

15

3-3

=0

15

1+2

=3

15

4-3

=1

15

2+2

=4

15

3-1

=2

15

2+3

=5

15

5-2

=3

15

5+1

=6

15

7-3

=4

15

5+2

=7

15

6-1

=5

15

5+3

=8

15

8-2

=6

15

8+1

=9

15

10-3

=7

15

1
2
3
›