Grade 2/Multiplication
Table of 10: Find the Missing Factor (1222)
Practice finding the unknown factor for the 10 times table.
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Teacher Resources
Standards
3.OA.A.4Printable Aids
Place value chart
Teaching Notes
Emphasize fact families and the inverse relationship between multiplication and division. Use manipulatives to model problems.
Vocabulary
Factor: A number that divides another number evenly.
Product: The answer when two numbers are multiplied.
Common Mistakes
- Adding 10 instead of appending 0.
- Confusing multiplication with division
- Incorrect basic multiplication facts
- Not recognizing the unknown factor
- Guessing instead of calculating
Differentiation
SupportUse number lines or skip counting to find answers.
ChallengeApply concept to larger numbers or multi-step problems.
Discussion Questions
- How do fact families help solve these problems?
- What does an 'unknown factor' mean?
- How is finding a missing factor similar to division?
- What strategies work best for the 10 times table?
Extension Activities
- Make flashcards for 10s facts.
- Practice skip counting by 10s.
Parent Tip
Ask your child to find the missing number in simple multiplication sentences with 10.
Learning Path
Skill Cluster
Multiplication & Division
Estimated Time
10 minutes
Skills Practiced
Table of 10
Prerequisites
- Skip Counting by 10s
- Basic multiplication facts
- Understanding factors
Next Steps
- Division with 10s
- Missing factors for other tables
- Table of 10 - Basic Multiplication
- Table of 10 - Division Facts
- Missing Factors - All Tables