Grade 2/Multiplication
Multiply by 5: Find Missing Factor (1221)
Practice finding the unknown factor for the 5 times table.
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Teacher Resources
Standards
3.OA.A.4Printable Aids
Number chart highlighting 5s
Teaching Notes
Emphasize the inverse relationship between multiplication and division. Encourage skip counting as a strategy.
Vocabulary
Factor: Numbers multiplied to get a product.
Product: The answer to a multiplication problem.
Common Mistakes
- Forgetting the pattern (0, 5, 0, 5).
- Forgetting multiplication facts
- Confusing factors with products
- Not checking answers
Differentiation
SupportUse manipulatives or a multiplication chart.
ChallengeSolve mentally; create related division facts.
Discussion Questions
- How can you find a missing factor?
- What is the relationship between multiplication and division?
- If you know 5 x 7, what else do you know?
- How is skip counting by 5 related?
Extension Activities
- Find missing factors for other numbers.
- Use arrays to show multiplication.
- Write related division sentences.
Parent Tip
Ask 'What times 5 equals X?' for small numbers.
Learning Path
Skill Cluster
Multiplication & Division
Estimated Time
10 minutes
Skills Practiced
Table of 5
Prerequisites
- Skip Counting by 5s
- Basic multiplication facts
- Skip counting by 5s
Next Steps
- Finding missing factors for other numbers
- Division facts for 5s
- Multiply by 6: Find Missing Factor
- Division Facts: Table of 5
- Multiply by 5: Word Problems