Unit 8 Contents

1. What happens when you divide a number by a ten?
2. How does the decimal point move when you divide a number by a ten?
3. How is this different from when you multiplied a number by a ten?
4. How can you use multiplication to check the quotient?

Divide by Decimals Less Than 1

7. The gardener wants to divide his garden into 0.1-meter rows. The length of his garden is 2 meters. Work with a partner to find how many rows the gardener can make.
8. This shows 2 divided by one-tenth using a grid:
Use the model.
1. How many tenths are in one whole?
2. How many tenths are in 2 wholes?
3. How many tenths are in 10 wholes?
9. Each small square on the grid shows 0.01.

1. How many hundredths are in one whole? Two wholes?
2. How many thousandths are in two wholes?
3. Solve 2 ÷ 0.001. How do you know your answer is reasonable?