Compose and Decompose 2 Digit Numbers

Front

What is the value of 8 in the number 83?

Back

80

Front

How many ones are there in 32?

Back

2

Front

What is the value of 6 in the number 86?

Back

6 ones

Front

What is the value of 8 in the number 38?

Back

8

Front

These blocks represent the number __________.

Back

88

Front

What does it mean to decompose a number?

Back

To break a number into smaller parts.

Front

What does it mean to compose a number?

Back

To combine smaller parts to make a larger number.

Front

What is the value of 3 in the number 23?

Back

3 ones

Front

How many tens are there in 45?

Back

4 tens

Front

What is the value of 7 in the number 72?

Back

2 ones