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Fifth/Multiplication

Multiply & Divide by 5: Missing Factor

Practice finding the missing factor in multiplication problems involving the table of 5. These exercises help students strengthen their understanding of multiplication and division.
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WorksheetsTeacher InfoLearning Path

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Prerequisites
Missing Factor: Table of 26 WS
2 x ____ = 18
What to Do Next
Missing Factors: Tables of 2, 5, and 106 WS
10 x ____ = 20

Practice Questions

  1. 5 x ? = 25
    Show answer

    5

  2. ? x 5 = 20
    Show answer

    4

  3. 5 x 3 = ?
    Show answer

    15

  4. ? x 5 = 10
    Show answer

    2

  5. 5 x ? = 35
    Show answer

    7

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 5, helping students strengthen their understanding of multiplication and division.

Worked Example: 5 x __ = 15 worked example

Problem: 5 x __ = 15

Strategy: Think of the multiplication table of 5 and find the number that gives 15 when multiplied by 5.

Hints:

  • Use division to find the missing factor.

Steps:

  • Divide 15 by 5 to find the missing factor.
Vocabulary
Missing Factor: Unknown number in a multiplication problem.
Division: Splitting into equal parts.
Common Mistakes
  • Confusing operation symbols (+ vs x)
  • Skip-counting errors
  • Confusing multiplication and division operations.
  • Incorrectly recalling multiplication facts for 5.
  • Guessing instead of using known facts or inverse operations.
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 can knowing your multiplication facts for 5 help you find the missing number?
  • What is the inverse operation of multiplication? How does it help solve these problems?
  • Can you explain how 5 x ? = 30 is the same as 30 ÷ 5 = ?
Extension Activities
  • Create flashcards.
  • Peer teaching.
Parent Tip

Use coins (nickels) to represent groups of 5.

Learning Path
Skill Cluster

Multiplication & Division Fluency

Estimated Time

15 minutes

Skills Practiced
Missing factor table of 5Division factsSkip counting