Grade 3/Multiplication
Column Multiplication: 4-digit × 1-digit (849)
Extended 4-digit × 1-digit multiplication with zeros inside numbers.
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Teaching Notes
Strengthens place value understanding and regrouping skills in multi-digit multiplication. Emphasize tracking carries.
Vocabulary
carry over: Moving a digit to the next place value.
place value: The value of a digit based on its position.
Common Mistakes
- Skipping zero place
- Forgetting to add carries
- Place value misalignment
- Basic multiplication fact errors
- Incorrectly multiplying by zero
Differentiation
SupportUse grid paper; model with base-ten blocks.
ChallengeEstimate products first; create own problems.
Discussion Questions
- How does place value help multiply large numbers?
- Why is recording carries crucial?
- What happens if you forget a carry?
- How are zeros handled in multiplication?
Extension Activities
- Multiply 5-digit by 1-digit.
- Use multiplication games.
- Solve word problems.
Parent Tip
Have your child calculate the cost of buying 8 of the same item.
Learning Path
Skill Cluster
Number Sense and Operations
Estimated Time
12 minutes
Skills Practiced
carry trackingplace value alignment
Prerequisites
- 848
- Basic multiplication facts
- Place value up to thousands
- 2-digit by 1-digit multiplication with regrouping
Next Steps
- Multi-digit multiplication (4-digit x 2-digit)
- Estimation with multiplication
- Multi-Digit Multiplication: 4-digit × 2-digit
- Column Multiplication: 5-digit × 1-digit
- Multi-Digit Multiplication: Word Problems