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Grade 5/Multiplication

Table of 10: Find the Missing Factor

Practice finding the missing factor in multiplication problems involving the table of 10. These exercises help students strengthen their understanding of multiplication and division.
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Easy
1
18 questions
2
18 questions
Medium
1
18 questions
2
18 questions
Hard
1
18 questions
2
18 questions
What to Do Next
Missing Factor: Table of 26 WS
2 x ____ = 18

Practice Questions

  1. 10 x ? = 50
    Show answer

    5

  2. ? x 10 = 70
    Show answer

    7

  3. 10 x 6 = ?
    Show answer

    60

  4. ? x 10 = 90
    Show answer

    9

  5. 10 x ? = 40
    Show answer

    4

Teacher Resources
Teaching Notes

Focus on fluency and pattern recognition. Encourage students to visualize groups or use repeated addition strategies. Accuracy should come before speed.

Instruction Tips: These worksheets focus on finding the missing factor in multiplication problems involving the table of 10, helping students strengthen their understanding of multiplication and division.

Worked Example: 10 x __ = 100 worked example

Problem: 10 x __ = 100

Strategy: Think of the multiplication table of 10 and find the number that gives 100 when multiplied by 10.

Hints:

  • Use division to find the missing factor.

Steps:

  • Divide 100 by 10 to find the missing factor.
Vocabulary
Factor: A number multiplied to get a product.
Product: The answer to a multiplication problem.
Common Mistakes
  • Confusing operation symbols (+ vs x)
  • Skip-counting errors
  • Confusing multiplication with addition (e.g., 10 + ? = 50 instead of 10 x ? = 50).
  • Forgetting basic multiplication facts for the table of 10.
  • Difficulty understanding that division can help find a missing factor.
Differentiation
SupportProvide manipulatives or a number line.
ChallengeChallenge students to create word problems for the equations.
Discussion Questions
  • What strategy did you use?
  • Which problem was easiest?
  • How does knowing your 10 times table help you solve these problems?
  • What operation helps us find a missing factor?
  • Can you explain the relationship between '10 x 5 = 50' and '50 ÷ 10 = 5'?
Extension Activities
  • Create flashcards.
  • Peer teaching.
Parent Tip

Ask your child to find missing numbers in multiplication facts you say aloud.

Learning Path
Skill Cluster

Multiplication & Division

Estimated Time

15 minutes

Skills Practiced
Multiplication factsMissing factorsDivision facts