Grade 4/Multiplication
Column Multiplication: 4-Digit x 2-Digit (852)
4-digit × 2-digit products with multiple carries and zeros.
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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
Prerequisites
- 851
- Multiplication facts (0-12)
- Multiplication (3-digit × 1-digit)
- Multiplication (2-digit × 2-digit)
- Addition with regrouping
Next Steps
- Multiplication (3-digit × 3-digit)
- Division with multi-digit numbers
- Solving multi-step word problems
- Column Multiplication: 4-digit × 2-digit - Set C
- Multi-Digit Multiplication Word Problems
- Multi-Digit Division: 3-digit ÷ 2-digit