Grade 4/Multiplication
Multiply Whole Hundreds: Missing Factor (526)
Find the missing factor in multiplication problems with whole hundreds.
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Teaching Notes
Emphasize place value understanding and the inverse relationship between multiplication and division. Guide students to use basic facts and then adjust for powers of ten.
Vocabulary
Missing Factor: The unknown number in multiplication.
Hundreds: Numbers that are multiples of 100.
Common Mistakes
- Forgetting to account for the zeros when multiplying/dividing by hundreds.
- Incorrectly applying division as the inverse operation.
- Errors in basic multiplication or division facts.
Differentiation
SupportUse base-ten blocks or visual models to represent hundreds.
ChallengeChallenge with larger multiples of hundreds or two-digit missing factors.
Discussion Questions
- How does knowing basic multiplication facts help solve these problems?
- What is the relationship between multiplication and division?
- How does place value help us multiply by hundreds?
- Can you explain your strategy for finding the missing factor?
Extension Activities
- Create missing factor puzzles.
- Use base-ten blocks.
- Work backwards from the product.
Parent Tip
Give your child problems like 500 x ___ = 250,000.
Learning Path
Skill Cluster
Multiplication & Division Fluency, Place Value
Estimated Time
15 minutes
Skills Practiced
missing factor multiplicationmultiplication by hundredsplace value zeros
Prerequisites
- Multiplication facts (0-10)
- Dividing by single-digit numbers
- Multiplying by multiples of ten
Next Steps
- Divide by multiples of one hundred
- Multiply larger numbers with missing factors
- Missing Factor: Multiply by Multiples of Ten
- Multiply by Whole Hundreds
- Division with Multiples of One Hundred