Add
Subtract
Say What?
Multiply
Divide
100

6+8

14

100

10-5

5

100

I have 4 equal sides

square 

100

100x0

0

100

10/5

2

200

10+46

56

200

36-10

26

200

10, 20, 30, 40....

counting by 10's

200

2x6

12

200

9/3

3

300

75+50

125


300

50-25

25

300

4 thousands + 9 hundreds + 5 tens + 0 ones

4950

300

5x8

40

300

20/5

4

400

46+34

80

400

100-83

17

400

How do I find the area of a shape?

Add the length of all the sides together.

400

9x7

63

400

100/4

25

500

208+28

236

500

52-28

24

500

9x1000 + 3x100 + 8x10 + 8x1

9388

500

12x4

48

500

36/6

6