Show:
Adding
Subtracting
Expanded Form
Shapes
100

4+5

9

100

10-3

7

100

100+30+2

132

100

A shape with 3 sides

Triangle

200

10+6

16

200

20-17

3

200

400+20+9

429

200

What is this shape?

Square

300

23+6

29

300

32-16

16

300

300+90+7

397

300

What is this shape?

Trapeziod
400

54+23

77

400

40-27

13

400

1000+700+30+2

1732

400

what shape is this : O

circle

500

68+43

111

500

100-25

75

500

5000+300+2

5302

500

Is a Rectangle a type of square? (yes or no)

yes!