Addition up to 30

Front

What is the sum of 17 and 5?

Back

22

Front

What is the sum of 23 and 6?

Back

29

Front

What is the sum of 21 and 8?

Back

29

Front

What is the difference when you subtract 7 from 17?

Back

10

Front

What is the difference when you subtract 8 from 21?

Back

13

Front

What is the maximum sum you can get when adding two numbers that are both less than or equal to 30?

Back

60 (30 + 30)

Front

What is the minimum sum you can get when adding two positive numbers?

Back

2 (1 + 1)

Front

If you have 30 and you subtract 15, what is the result?

Back

15

Front

What is the result of adding 10 and 10?

Back

20

Front

What is the result of adding 15 and 15?

Back

30