Shark Learning
Grade 4/Multiplication

Multiply-in-Parts: 1-digit × 3-digit

Partial-products practice to prepare for column algorithms; reinforces distributive property.
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Multiply-in-Parts: 1-digit × 3-digit preview

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Easy
1
12 questions
2
12 questions
Medium
1
12 questions
2
12 questions
Hard
1
12 questions
2
12 questions

Practice Questions

  1. 7 × 324 = ?
    Show answer

    2268

  2. 6 × 405 = ?
    Show answer

    2430

  3. 8 × 219 = ?
    Show answer

    1752

  4. 9 × 132 = ?
    Show answer

    1188

  5. 5 × 306 = ?
    Show answer

    1530

Teacher Resources
Teaching Notes

Emphasize place value decomposition and the distributive property for efficient multiplication. Connect to mental math strategies.

Vocabulary
Distributive Property: Multiplying a sum by a number.
Partial Product: A product found in an intermediate step.
Common Mistakes
  • Dropping a partial
  • Mis-adding partials
  • Incorrect decomposition
  • Multiplication errors
  • Addition errors
  • Missing partial products
Differentiation
SupportUse visuals like area models or manipulatives.
ChallengeMultiply larger numbers or estimate the product first.
Discussion Questions
  • How does decomposing help multiply?
  • What is the distributive property?
  • When is this method most useful?
  • How does it connect to area models?
Extension Activities
  • Multiply 1-digit by 4-digit.
  • Use different 3-digit numbers.
  • Real-world group totals.
Parent Tip

Help your child break down a 3-digit number and multiply each part.

Learning Path
Skill Cluster

Multiplication Strategies

Estimated Time

14 minutes

Skills Practiced
Decompose hundreds tens onesSum partials