1-3
4-6
7-10
100

How much is 2 + 2

4

100

How much is 4+1

5

100

How much is 7+1

8

200

How much is 1+2

3

200

How much is 5+1

6

200

How much is 7+3

10

300

How much is 1+3

4

300

How much is 4+5

9

300

How much is 8+2

10