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Grade 3 Factors & Multiples Worksheet with Answers

Grade 3 (US) · Year 4 (UK) · Class 3 (India) · Math

Unit 6: Going FurtherAdvanced: Grade 4 PreviewCCSS 4.OA.B.4Advanced

Listing factors and multiples and deciding whether one number is a factor of another. This free upper elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Factors & Multiples

Grade 3 · Math

Score___ / 12

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Class

Date

Learning goal: Advanced: Grade 4 Preview · CCSS 4.OA.B.4

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

Is 5 a factor of 15? Answer yes or no.

Answer: yes

RememberFactors and primes

36218293336 = 2 × 2 × 3 × 3Prime: exactly 2 factors (2, 3, 5, 7, 11…)Composite: more than 2 factorsGCF: biggest factor both shareLCM: smallest multiple both share
Part A

Yes or No? Tick one box for each.

YesNo
1Is 34 a multiple of 3?
2Is 5 a factor of 10?
3Is 3 a factor of 21?
4Is 6 a factor of 42?
5Is 6 a factor of 41?
6Is 3 a factor of 9?
Part B

Solve each problem. Show your work, then write your answer in the box.

  1. 7

    List the first 6 multiples of 12.

    Answer
  2. 8

    List the first 6 multiples of 9.

    Answer
  3. 9

    List the first 6 multiples of 5.

    Answer
  4. 10

    List all the factors of 42.

    Answer
  5. 11

    List all the factors of 72.

    Answer
  6. 12

    List the first 6 multiples of 4.

    Answer

★ Challenge corner for fast finishers

Each scale balances. Scale 1: circle + circle + circle = 12; scale 2: circle + square = 9. What is one square worth?

12Scale 19Scale 2

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/3/factors_multiples

Answer key (click to show)
  1. 1.no
  2. 2.yes
  3. 3.yes
  4. 4.yes
  5. 5.no
  6. 6.yes
  7. 7.12, 24, 36, 48, 60, 72
  8. 8.9, 18, 27, 36, 45, 54
  9. 9.5, 10, 15, 20, 25, 30
  10. 10.1, 2, 3, 6, 7, 14, 21, 42
  11. 11.1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
  12. 12.4, 8, 12, 16, 20, 24
  13. ★5 (challenge corner)

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How to use this worksheet

  • Use it as a 10–15 minute warm-up or homework task rather than a long drill.
  • Ask students to show their working so you can see where a mistake started, not just that it happened.
  • Mark it with the answer key together, then print a fresh version of the same topic to practise the questions they missed.

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