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Shapes
Addition
Subtraction
Doubles Addition
100

Flip this equation

8+10=18

10+8=18

100
4+5=
What is 9
100
8-3=
What is 5
100

2+2

4

200

I am a round shape.

What is a circle.

200
10+10=
What is 20
200
10-5=
What is 5
200

4+4=

8

300

Flip this equation

15+5=20

5+15=20

300
7+5=
What is 12
300
10-10=
What is 0
300

5+5=

10

400
I have three sides.
What is a triangle.
400

20+50=

What is 70

400
13-2=
What is 11
400

6+6=

12

500

Flip this equation

10=8+2

8+2=10

500

20+40=

What is 60

500
20-5=
What is 15
500

10+10=

20