2.1.4

Method D - Partitioning Method

Test yourself

Partitioning Method: 753 − 491

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Step 1

  • Partition the subtrahend.
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Step 2

  • Subtract the subtrahend in parts.
  • Start by subtracting 400 from 753.
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Step 3

  • Now, subtract 90 from 353.
    • If that’s too difficult, then split 90 into 50 + 40.
    • First, subtract 50.
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Step 4

  • Then subtract 40.
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Step 5

  • Finally, subtract 1 from 263.

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