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Missing Factor on the Right

Practice Grade 3 multiplication equations with an unknown factor on the right.

Aligned to CCSS.Math.Content.3.OA.A.4. This page loads a playable maze, star scoring, a print-friendly worksheet, and an answer key.

Level quick facts

  • Grade: 3
  • Skill: Solve equations where the missing number is the factor on the right.
  • Standard: 3.OA.A.4
  • Game mode: Gate maze for unknown-number equations
  • Estimated time: 4-7 minutes
  • Success signal: Reach the finish with most gates correct; 3 stars means the student is ready for the next level.
  • Next step: Continue to Missing Factor on the Left.

Common mistake to watch: Students may treat the question mark as always asking for the product.

What this level covers

Solve equations where the missing number is the factor on the right. It supports 3.OA.A.4 by turning the standard into a playable maze path and matching printable practice.

Students determine the unknown number in multiplication or division equations.

Gate questions

  1. 10 × ? = 90
  2. 2 × ? = 6
  3. 5 × ? = 35
  4. 5 × ? = 40

Extra practice

  1. 10 × ? = 80
  2. 2 × ? = 8
  3. 5 × ? = 10
  4. 5 × ? = 30
  5. 10 × ? = 90
  6. 5 × ? = 45
  7. 2 × ? = 18
  8. 5 × ? = 20

Printable worksheet / 3.OA.A.4

Level 1: Missing Factor on the Right

Determine the unknown whole number in multiplication and division equations relating three whole numbers.

kmaze.com
S F 1 2 3 4

Gate Questions

  1. 10 × ? = 90
  2. 2 × ? = 6
  3. 5 × ? = 35
  4. 5 × ? = 40

Extra Practice

  1. 10 × ? = 80
  2. 2 × ? = 8
  3. 5 × ? = 10
  4. 5 × ? = 30
  5. 10 × ? = 90
  6. 5 × ? = 45
  7. 2 × ? = 18
  8. 5 × ? = 20

Standard

CCSS.Math.Content.3.OA.A.4

Student worksheet page

Teacher copy / 3.OA.A.4

Level 1: Answer Key

Determine the unknown whole number in multiplication and division equations relating three whole numbers.

kmaze.com

Answer Key

  1. Gate 1: 9
  2. Gate 2: 3
  3. Gate 3: 7
  4. Gate 4: 8

Extra Practice Answers

  1. Practice 1: 8
  2. Practice 2: 4
  3. Practice 3: 2
  4. Practice 4: 6
  5. Practice 5: 9
  6. Practice 6: 9
  7. Practice 7: 9
  8. Practice 8: 4

Standard

CCSS.Math.Content.3.OA.A.4

Teacher answer key page

Continue this learning path

All 3.OA.A.4 levels

  1. Missing Factor on the Right
  2. Missing Factor on the Left
  3. Unknown Quotient
  4. Unknown Divisor
  5. Mixed Unknown Number Equations
  6. Unknown Equation Review
  7. Mixed Equation Forms
  8. Boss Level: Unknown Number Equation Review

Print worksheet

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