math

add

100

1+5

6

200

2+5

7

300

3+5

8

400

4+5

9

500

5+5

10

subtract

100

5 - 1

4

200

5 - 2

3

300

3-5

2

Multiply

100

1 times 5

5

200

2 times 5

ten

Divide

100

5 divided by 1

1

200

5 divided by 2

2.5