Show:
Addition
Subtraction
Shapes
100

5 + 3 = 

8

100

3 - 1 =

2

100

What shape has 4 equal sides.

square

200

4 + 9 = 

13

200

5 - 3 =

2

200

What shape has 0 sides

circle

300

7 + 2 = 

9

300

6 - 0 = 

6

300

What shape has 3 sides?

Triangle

400

9 + 5 = 

14

400

10 - 7 = 

3

400

What shape has 4 sides, 2 long and 2 short

rectangle

500

10 + 0 = 

10

500

9 - 8 = 

1

500

What shape has 8 sides?

Octagon