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Column Multiplication: 4-Digit x 2-Digit

4-digit × 2-digit products with multiple carries and zeros.
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Study Guide

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Column Multiplication: 4-Digit x 2-Digit preview

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Practice Questions

  1. 2,021 × 36 = ?
    Show answer

    72,756

  2. 3,408 × 27 = ?
    Show answer

    92,016

  3. 1,905 × 48 = ?
    Show answer

    91,440

  4. 4,682 × 23 = ?
    Show answer

    107,686

  5. 2,506 × 34 = ?
    Show answer

    85,204

Teacher Resources
Teaching Notes

Emphasize place value and managing multiple carries. Review partial product alignment carefully.

Vocabulary
Partial Product: A product found during multiplication steps.
Alignment: Placing digits correctly in columns.
Common Mistakes
  • Dropped carry
  • Misaligning partial products
  • Forgetting to add carries
  • Errors with zeros in factors
  • Basic multiplication fact errors
Differentiation
SupportUse grid paper; color-code place values.
ChallengeEstimate product before computing; explain steps.
Discussion Questions
  • Why is place value critical here?
  • How do zeros in factors impact partial products?
  • What is the role of regrouping (carrying)?
  • How does this build on simpler multiplication?
Extension Activities
  • Use estimation to check answers.
  • Work with even larger numbers.
  • Explain the process to a friend.
Parent Tip

Encourage your child to double-check their carrying and addition.

Learning Path
Skill Cluster

Number Sense and Operations

Estimated Time

18 minutes

Skills Practiced
Partials summationCarry tracking