Free Grade 3 Multiplying Fractions Lesson Plans
Free Grade 3 lesson plans for Multiplying Fractions: 12 real questions with a full answer key and worked solutions. To multiply fractions, multiply the numerators together and the denominators together, then simplify. Multiplying by a fraction less than 1 makes a number smaller.
Free
Core
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain multiplying fractions
Explain multiplying fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate multiplying fractions
Calculate multiplying fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare multiplying fractions
Compare multiplying fractions accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify multiplying fractions
Justify multiplying fractions 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 Multiplying Fractions works
To multiply fractions, multiply the numerators together and the denominators together, then simplify. Multiplying by a fraction less than 1 makes a number smaller.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.5/7 × 1/3 = ?[1]
- 2.2/3 × 3/4 = ?[1]
- 3.1/3 × 3/6 = ?[1]
- 4.1/2 × 1/5 = ?[1]
- 5.2/2 × 7/7 = ?[2]
- 6.1/9 × 5/8 = ?[2]
- 7.3/9 × 1/4 = ?[2]
- 8.2/7 × 5/5 = ?[2]
- 9.1/8 × 5/5 = ?[3]
- 10.2/6 × 3/5 = ?[3]
- 11.4/5 × 3/5 = ?[3]
- 12.5/7 × 1/5 = ?[3]
Show answers and working
1. 5/21
Multiply numerators: 5 × 1 = 5. Multiply denominators: 7 × 3 = 21. Simplify 5/21 → 5/21
2. 1/2
Multiply numerators: 2 × 3 = 6. Multiply denominators: 3 × 4 = 12. Simplify 6/12 → 1/2
3. 1/6
Multiply numerators: 1 × 3 = 3. Multiply denominators: 3 × 6 = 18. Simplify 3/18 → 1/6
4. 1/10
Multiply numerators: 1 × 1 = 1. Multiply denominators: 2 × 5 = 10. Simplify 1/10 → 1/10
5. 1
Multiply numerators: 2 × 7 = 14. Multiply denominators: 2 × 7 = 14. Simplify 14/14 → 1
6. 5/72
Multiply numerators: 1 × 5 = 5. Multiply denominators: 9 × 8 = 72. Simplify 5/72 → 5/72
7. 1/12
Multiply numerators: 3 × 1 = 3. Multiply denominators: 9 × 4 = 36. Simplify 3/36 → 1/12
8. 2/7
Multiply numerators: 2 × 5 = 10. Multiply denominators: 7 × 5 = 35. Simplify 10/35 → 2/7
9. 1/8
Multiply numerators: 1 × 5 = 5. Multiply denominators: 8 × 5 = 40. Simplify 5/40 → 1/8
10. 1/5
Multiply numerators: 2 × 3 = 6. Multiply denominators: 6 × 5 = 30. Simplify 6/30 → 1/5
11. 12/25
Multiply numerators: 4 × 3 = 12. Multiply denominators: 5 × 5 = 25. Simplify 12/25 → 12/25
12. 1/7
Multiply numerators: 5 × 1 = 5. Multiply denominators: 7 × 5 = 35. Simplify 5/35 → 1/7
Worked examples
1/2 × 6/9 = ?
- Multiply numerators: 1 × 6 = 6.
- Multiply denominators: 2 × 9 = 18.
- Simplify 6/18 → 1/3
- Answer: 1/3
2/2 × 5/9 = ?
- Multiply numerators: 2 × 5 = 10.
- Multiply denominators: 2 × 9 = 18.
- Simplify 10/18 → 5/9
- Answer: 5/9
4/5 × 1/4 = ?
- Multiply numerators: 4 × 1 = 4.
- Multiply denominators: 5 × 4 = 20.
- Simplify 4/20 → 1/5
- Answer: 1/5
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Finds a common denominator first.
Correction: No common denominator is needed — multiply straight across.
Expects the answer to be bigger.
Correction: Half of something is smaller than the thing.
Teacher tips
- · Use area models: shade one fraction across, the other down.
Parent tips
- · Ask what half of a half is.
Real-life applications
- · Finding half of three quarters of a garden.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
Every free resource for Multiplying Fractions
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Learn — Meet the idea.
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Frequently asked
- Is this Grade 3 Multiplying Fractions 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 Subtracting Fractions, Adding Fractions, Integers. 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 Multiplying Fractions?
- Move on to Dividing Fractions, Fraction of a Quantity, Fractions to Decimals, Decimals to Fractions, which build directly on this idea.
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