Doubles plus 1

Front

What is 1 + 2?

Back

3

Front

What is 4 + 3?

Back

7

Front

What is 7 + 6?

Back

13

Front

What is 0 + 1?

Back

1

Front

What is 6 + 7?

Back

13

Front

What does 'Doubles plus 1' mean?

Back

It means to take a number, double it, and then add 1.

Front

What is the double of 2?

Back

4

Front

What is the double of 3?

Back

6

Front

What is the double of 4?

Back

8

Front

What is the double of 5?

Back

10