Doubles and near doubles

Front

What is a double?

Back

A double is when you add a number to itself. For example, 4 + 4 = 8.

Front

What is a near double?

Back

A near double is when you add a number to a number that is one more or one less than it. For example, 4 + 5 is a near double because 5 is one more than 4.

Front

What is 3 + 3?

Back

6

Front

What is 2 + 3?

Back

5

Front

What is 4 + 5?

Back

9

Front

What is 8 + 8?

Back

16

Front

What is 8 + 9?

Back

17

Front

If I have 5 apples and I get 5 more, how many do I have?

Back

10 (This is a double: 5 + 5 = 10)

Front

If I have 6 oranges and I get 7, how many do I have?

Back

13 (This is a near double: 6 + 7 = 13)

Front

What is 1 + 1?

Back

2