LET’S TRY ONE
What is 3.20 − 1.45?
1.75
320 hundredths − 145 hundredths = 175 hundredths, or 1.75.
Learning steps & teaching tips
Subtract nonnegative decimals to hundredths.
- Exchange across place values just as with whole numbers.
- Work through the example. Explain how its evidence supports the answer.
- Try a new question; use the explanation to check your thinking.
Try it together
Write or draw your own example with different numbers. Solve it, then ask a partner to check the method as well as the answer.
Exchange across place values just as with whole numbers.