Doubles-Doubles Plus 1

Front

What is the result of 5 + 5?

Back

10

Front

If 5 + 5 = 10, what is 5 + 6?

Back

11

Front

What is the sum of 2 + 2 + 1?

Back

5

Front

What is the result of 5 + 5 + 1?

Back

11

Front

What is the sum of 5 + 5?

Back

10

Front

What is the principle behind 'Doubles-Doubles Plus 1'?

Back

It involves using the known sum of doubles (like 5 + 5) and adding 1 to find the next consecutive number.

Front

How can you use doubles to solve addition problems?

Back

By recognizing pairs of numbers that are the same and adding them, then adjusting as needed.

Front

What is the relationship between addition and the concept of doubles?

Back

Doubles are pairs of equal numbers that can simplify addition by providing a known sum.

Front

What is the sum of 2 + 2?

Back

4

Front

If you know that 5 + 5 = 10, how can you find 5 + 7?

Back

You can add 2 to the known sum of 10, resulting in 12.