Addition
Subtraction
Times
100

2+3

5

100

7-3

4

100

1x1

1

200

4+6

10


200
10-4
6
200

2x1

2

300

5+8

13

300

11-2

9

300

2x3

6

400

11+5

16

400

13-5

8

400

3x3

9

500
23+9
32
500
21-7

14

500

4x4

16