Shark Learning
Second/Multiplication

Multiply in Columns: 2-Digit by 1-Digit

Practice multiplying 2-digit numbers by 1-digit numbers using the vertical multiplication format.
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Study Guide

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Multiply in Columns: 2-Digit by 1-Digit preview

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Practice Questions

  1. 35 × 8 = ?
    Show answer

    280

  2. 42 × 6 = ?
    Show answer

    252

  3. 27 × 5 = ?
    Show answer

    135

  4. 53 × 4 = ?
    Show answer

    212

  5. 68 × 7 = ?
    Show answer

    476

Teacher Resources
Teaching Notes

Emphasize understanding place value and regrouping during the multiplication process. Model the standard algorithm clearly, showing each step from ones to tens.

Vocabulary
Digit: A single number symbol from 0 to 9.
Carry over: Moving a digit to the next column when adding or multiplying.
Common Mistakes
  • Forgetting to carry over regrouped tens.
  • Incorrectly aligning numbers by place value.
  • Errors in basic multiplication facts.
Differentiation
SupportUse base-ten blocks to model multiplication and regrouping visually.
ChallengeChallenge with mental math strategies or larger numbers.
Discussion Questions
  • Why is place value important in column multiplication?
  • When do we need to regroup in these problems?
  • Can you explain the steps to multiply 23 by 4?
  • How is column multiplication useful in real life?
Extension Activities
  • Practice with larger numbers.
  • Create your own problems.
  • Use arrays to visualize.
Parent Tip

Ask your child to calculate the total cost of 3 items that each cost $12.

Learning Path
Skill Cluster

Multiplication Strategies

Estimated Time

15 minutes

Skills Practiced
Multiplication algorithmPlace valueCarrying over