Subtracting decimals

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Introduction to Subtracting Decimals:
How to subtract decimals with base ten (block) models

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Exchanging practice for decimals with block models
Practice exchanging to make more smaller place values. Use base ten (block) models to help.
1. 4 ones + 6 tenths = ___ ones + ___ tenths
2. Exchange 1 one for 10 tenths:
  8 tens + 0 ones + 3 tenths = ___ tens + ___ ones + ___ tenths
3. Exchange 1 tenth for 10 hundredths:
  9 tenths + 1 hundredth = ___ tenths + ___ hundredths
4. Exchange 1 tenth for 10 hundredths:
  2 ones + 0 tenths + 7 hundredths = ___ ones + ___ tenths + ___ hundredths
Subtracting decimal block models
Subtract the decimal block models. Give the answer in standard form.
Subtracting decimals on a grid
Subtract the decimals by lining up on the grid.
1. 18.7 - 2.3
2. 57.98 - 8
3. 9.2 - 5.4
4. 78.03 - 9.56
Subtracting decimals and rounding decimal differences
Evaluate. Then, round your answer to the nearest tenth.
1. 41.2 - 8.43
2. 62.04 - 31.03
3. 675.92 - 324.7