Understanding Pairs that Add to 10

Front

Pairs of numbers that add to 10 can be modeled using two colors of counters on a 10-frame.

Back

Examples include 2 + 8, 3 + 7, 4 + 6, and 5 + 5.

Front

Knowing pairs that add to 10 helps with adding numbers over 10.

Back

For example, 7 + 3 = 10 helps with 7 + 6, which is 13.

Front

Make-ten strategy

Back

A strategy for adding two numbers where one number is decomposed so that one part can be added to the other part to make 10.

Front

Helpful number pairs for 10

Back

1 + 9, 2 + 8, 3 + 7, 4 + 6, and 5 + 5.

Front

Using 10 to add larger numbers

Back

Knowing 7 + 3 = 10 helps with 7 + 6, which is 13.

Front

Helping your child with math

Back

Ask questions like '7 fingers are down. How many fingers are up?' or 'How many more do I need for 10?'

Front

Understanding 10 + 3

Back

10 + 3 means 13.

Front

Relating facts for 10 to other facts

Back

Knowing pairs that add to 10 makes it easier to add when the total is more than 10.

Front

Example of using 10-frame

Back

2 + 8 and 8 + 2 are combinations shown on a 10-frame.

Front

Why 10 is important in addition

Back

It helps simplify adding larger numbers by breaking them into parts that add to 10.