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4-digit by 1-digit multiplication, step by step

Four digits over one adds no new rule.

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The question

8890 × 4

8890 4 35560
  1. 8890 × 4, set out in columns. Multiply one place at a time, starting at the ones on the RIGHT.
  2. The ones: 0 × 4 = 0. Write the 0.
  3. The tens: 9 × 4 = 36. Write the 6 and carry the 3.
  4. The hundreds: 8 × 4 = 32, and the 3 carried over makes 35. Write the 5 and carry the 3.
  5. The thousands: 8 × 4 = 32, and the 3 carried over makes 35. Nothing further to carry into, so all of 35 is written down.
  6. So 8890 × 4 = 35560.

How it works.

  1. 01

    8890 × 4, set out in columns. Multiply one place at a time, starting at the ones on the RIGHT.

  2. 02

    The ones: 0 × 4 = 0. Write the 0.

  3. 03

    The tens: 9 × 4 = 36. Write the 6 and carry the 3.

  4. 04

    The hundreds: 8 × 4 = 32, and the 3 carried over makes 35. Write the 5 and carry the 3.

  5. 05

    The thousands: 8 × 4 = 32, and the 3 carried over makes 35. Nothing further to carry into, so all of 35 is written down.

  6. 06

    So 8890 × 4 = 35560.

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