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Free Grade 3 Working with Fraction of a Quantity Lesson Plans

Free Grade 3 lesson plans for Working with Fraction of a Quantity: 12 real questions with a full answer key and worked solutions. To find a fraction of an amount, divide by the denominator to find one part, then multiply by the numerator.

Price

Free

Difficulty

Stretch

Estimated time

15 min

Total marks

24

Learning objectives

Every objective is checkable, and each one maps to an activity and an assessment.

  • UnderstandExplain working with fraction of a quantity

    Explain working with fraction of a quantity accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • ApplyCalculate working with fraction of a quantity

    Calculate working with fraction of a quantity accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • AnalyseCompare working with fraction of a quantity

    Compare working with fraction of a quantity accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • EvaluateJustify working with fraction of a quantity

    Justify working with fraction of a quantity accurately in a familiar context.

    Assessed by: Exit ticket of four short items

Prerequisites

Close these gaps first — each has its own free lesson, worksheet and quiz.

How Working with Fraction of a Quantity works

To find a fraction of an amount, divide by the denominator to find one part, then multiply by the numerator.

Key wordsofpartwholequantity

12 practice questions

Easy to hard, 24 marks in total. Try them first, then open the answers.

  1. 1.Find 1/2 of 18.[1]
  2. 2.Find 1/3 of 36.[1]
  3. 3.Find 1/4 of 8.[1]
  4. 4.Find 1/3 of 30.[1]
  5. 5.Find 5/6 of 18.[2]
  6. 6.Find 2/3 of 36.[2]
  7. 7.Find 6/8 of 88.[2]
  8. 8.Find 3/6 of 66.[2]
  9. 9.Find 1/8 of 72.[3]
  10. 10.Find 4/12 of 72.[3]
  11. 11.Find 7/9 of 45.[3]
  12. 12.Find 2/4 of 36.[3]
Show answers and working
  1. 1. 9

    Divide by the denominator: 18 ÷ 2 = 9. Multiply by the numerator: 9 × 1 = 9.

  2. 2. 12

    Divide by the denominator: 36 ÷ 3 = 12. Multiply by the numerator: 12 × 1 = 12.

  3. 3. 2

    Divide by the denominator: 8 ÷ 4 = 2. Multiply by the numerator: 2 × 1 = 2.

  4. 4. 10

    Divide by the denominator: 30 ÷ 3 = 10. Multiply by the numerator: 10 × 1 = 10.

  5. 5. 15

    Divide by the denominator: 18 ÷ 6 = 3. Multiply by the numerator: 3 × 5 = 15.

  6. 6. 24

    Divide by the denominator: 36 ÷ 3 = 12. Multiply by the numerator: 12 × 2 = 24.

  7. 7. 66

    Divide by the denominator: 88 ÷ 8 = 11. Multiply by the numerator: 11 × 6 = 66.

  8. 8. 33

    Divide by the denominator: 66 ÷ 6 = 11. Multiply by the numerator: 11 × 3 = 33.

  9. 9. 9

    Divide by the denominator: 72 ÷ 8 = 9. Multiply by the numerator: 9 × 1 = 9.

  10. 10. 24

    Divide by the denominator: 72 ÷ 12 = 6. Multiply by the numerator: 6 × 4 = 24.

  11. 11. 35

    Divide by the denominator: 45 ÷ 9 = 5. Multiply by the numerator: 5 × 7 = 35.

  12. 12. 18

    Divide by the denominator: 36 ÷ 4 = 9. Multiply by the numerator: 9 × 2 = 18.

Worked examples

Easy example

Find 1/3 of 27.

  1. Divide by the denominator: 27 ÷ 3 = 9.
  2. Multiply by the numerator: 9 × 1 = 9.
  3. Answer: 9
Medium example

Find 1/3 of 27.

  1. Divide by the denominator: 27 ÷ 3 = 9.
  2. Multiply by the numerator: 9 × 1 = 9.
  3. Answer: 9
Hard example

Find 1/5 of 60.

  1. Divide by the denominator: 60 ÷ 5 = 12.
  2. Multiply by the numerator: 12 × 1 = 12.
  3. Answer: 12

Interactive practice

Free, no account required — answer on screen or print it.

Common mistakes

What learners typically get wrong, and how to fix it.

  • Multiplies by the denominator instead of dividing.

    Correction: Divide by the bottom, times by the top.

  • Stops after finding one part.

    Correction: If the numerator is more than 1, multiply.

Teacher tips

  • · Use bar models split into equal parts.

Parent tips

  • · Work out 1/4 of the money in a jar.

Real-life applications

  • · Sale prices like '1/3 off', sharing money.

Assessment objectives

How mastery is evidenced, and which standards it maps to.

EDEXCEL EDE-405.1 — Mapped statement covering Working with Fraction of a Quantity.CBSE CBS-944.2 — Mapped statement covering Working with Fraction of a Quantity.

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Frequently asked

Is this Grade 3 Working with Fraction of a Quantity lesson plan really free?
Yes. Every lesson plans on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
What should a learner already know before this?
Start with Introducing Fraction of a Quantity, Dividing Fractions. Each one has its own free lesson, worksheet and quiz.
How is the lesson plan sequenced?
Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
What comes next after Working with Fraction of a Quantity?
Move on to Fraction of a Quantity in Context, Introduction to Fractions, Parts of a Fraction, Numerator, which build directly on this idea.

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