Grade 2/Multiplication
Table of 2: Find the Missing Factor (1220)
Practice finding the unknown factor for the 2 times table.
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Teacher Resources
Standards
3.OA.A.4Printable Aids
Skip counting by 2s chart
Teaching Notes
Emphasize the relationship between multiplication and division. Use fact families to reinforce understanding of missing factors.
Vocabulary
Factor: Numbers multiplied to get a product.
Product: The answer to a multiplication problem.
Common Mistakes
- Confusing addition (2+2) with multiplication.
- Confusing multiplication with addition
- Incorrectly applying inverse operations
- Not recalling 'times 2' facts
- Errors with larger products
Differentiation
SupportUse manipulatives or visual aids like number lines.
ChallengeChallenge with larger factors or multi-step problems.
Discussion Questions
- How does 2 x 7 = 14 help solve 14 ÷ 2 = ?
- What pattern do you notice in the 2 times table products?
- Why is knowing your multiplication facts important?
- Can you explain why the missing factor is sometimes called the 'unknown'?
Extension Activities
- Find missing factors for other numbers.
- Use arrays to show multiplication.
- Write related division sentences.
Parent Tip
Ask 'What times 2 equals X?' for small numbers.
Learning Path
Skill Cluster
Number Sense & Operations
Estimated Time
10 minutes
Skills Practiced
Table of 2
Prerequisites
- Skip Counting by 2s
- Counting by 2s
- Repeated Addition
- Introduction to Multiplication
Next Steps
- Missing Factors for Other Tables
- Division Facts
- Multi-Digit Multiplication
- Table of 3: Find the Missing Factor
- Division Facts: Table of 2
- Multiplication Fact Fluency Practice