Show:
Subtraction
Addition
Multiplication
Shapes
Add and Sub
100

4-2

2

100

8+2

10

100

1X3

3

100

I have 4 equal sides

square

100

6+3 and 6-3

9 and 3

200

10-5

5

200

30+10

40

200

2X4

8

200

I have 3 sides, what am I?

Triangle

200

15+5 and 15-5

20 and 10

300

20-12

8

300

100+83

183
300

3X5

15

300

I have no sides, what am I?

Circle

300

40+20 and 40-20

60 and 20

400

45-20

25

400

450+62

512

400

4X50

200

400

I 4 sides, but not all are equal, what am I?

Rectangle

400
24+8 and 24-8

32 and 16

500

150-60

90

500

137+63

200

500

30X5

150

500

I have 10 sides, what am I? Hint?

Star

500

172+54 and 172-54

226 and 118