Compose and Decompose 2 Digit Numbers

Front

These blocks represent the number __________.

Back

88

Front

What is the value of 6 in the number 86?

Back

6 ones

Front

What number does 8 groups of ten + 13 ones represent?

Back

93

Front

How many groups of ten are there in the number 99?

Back

9

Front

What is another way to represent the number 38?

Back

1 group of ten + 28 ones

Front

What does it mean to decompose a number?

Back

To break a number down into its parts.

Front

What does it mean to compose a number?

Back

To combine parts to form a whole number.

Front

How many tens are in the number 45?

Back

4 tens

Front

If you have 3 groups of ten, what number do you have?

Back

30

Front

What is the value of 7 in the number 72?

Back

7 tens