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Intros
Lessons
  1. Introduction to Subtracting Decimals:
    How to subtract decimals with base ten (block) models
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Examples
Lessons
  1. 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

      Subtracting Decimals
    2. Exchange 1 one for 10 tenths:
      8 tens + 0 ones + 3 tenths = ___ tens + ___ ones + ___ tenths

      Subtracting Decimals
    3. Exchange 1 tenth for 10 hundredths:
      9 tenths + 1 hundredth = ___ tenths + ___ hundredths

      Subtracting Decimals
    4. Exchange 1 tenth for 10 hundredths:
      2 ones + 0 tenths + 7 hundredths = ___ ones + ___ tenths + ___ hundredths

      Subtracting Decimals
  2. Subtracting decimal block models
    Subtract the decimal block models. Give the answer in standard form.
    1. Subtracting Decimals
    2. Subtracting Decimals
    3. Subtracting Decimals
    4. Subtracting Decimals
  3. Subtracting decimals on a grid
    Subtract the decimals by lining up on the grid.
    1. 18.7 - 2.3

      Subtracting Decimals
    2. 57.98 - 8

      Subtracting Decimals
    3. 9.2 - 5.4

      Subtracting Decimals
    4. 78.03 - 9.56

      Subtracting Decimals
  4. 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
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Practice