Free Grade 3 Simplifying Fractions in Context Lessons
Free Grade 3 lessons for Simplifying Fractions in Context: 12 real questions with a full answer key and worked solutions. Simplifying means writing a fraction with the smallest possible numbers. Divide the numerator and denominator by their highest common factor.
Free
Foundation
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify simplifying fractions in context
Identify simplifying fractions in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain simplifying fractions in context
Explain simplifying fractions in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate simplifying fractions in context
Calculate simplifying fractions in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare simplifying fractions in context
Compare simplifying fractions in context 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 Simplifying Fractions in Context works
Simplifying means writing a fraction with the smallest possible numbers. Divide the numerator and denominator by their highest common factor.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Simplify 15/27 fully.[1]
- 2.Simplify 8/16 fully.[1]
- 3.Simplify 2/6 fully.[1]
- 4.Simplify 9/12 fully.[1]
- 5.Simplify 6/18 fully.[2]
- 6.Simplify 12/24 fully.[2]
- 7.Simplify 2/14 fully.[2]
- 8.Simplify 4/6 fully.[2]
- 9.Simplify 24/72 fully.[3]
- 10.Simplify 6/8 fully.[3]
- 11.Simplify 20/70 fully.[3]
- 12.Simplify 12/14 fully.[3]
Show answers and working
1. 5/9
HCF of 15 and 27 is 3. Divide top and bottom by 3: 15÷3 / 27÷3. = 5/9
2. 1/2
HCF of 8 and 16 is 8. Divide top and bottom by 8: 8÷8 / 16÷8. = 1/2
3. 1/3
HCF of 2 and 6 is 2. Divide top and bottom by 2: 2÷2 / 6÷2. = 1/3
4. 3/4
HCF of 9 and 12 is 3. Divide top and bottom by 3: 9÷3 / 12÷3. = 3/4
5. 1/3
HCF of 6 and 18 is 6. Divide top and bottom by 6: 6÷6 / 18÷6. = 1/3
6. 1/2
HCF of 12 and 24 is 12. Divide top and bottom by 12: 12÷12 / 24÷12. = 1/2
7. 1/7
HCF of 2 and 14 is 2. Divide top and bottom by 2: 2÷2 / 14÷2. = 1/7
8. 2/3
HCF of 4 and 6 is 2. Divide top and bottom by 2: 4÷2 / 6÷2. = 2/3
9. 1/3
HCF of 24 and 72 is 24. Divide top and bottom by 24: 24÷24 / 72÷24. = 1/3
10. 3/4
HCF of 6 and 8 is 2. Divide top and bottom by 2: 6÷2 / 8÷2. = 3/4
11. 2/7
HCF of 20 and 70 is 10. Divide top and bottom by 10: 20÷10 / 70÷10. = 2/7
12. 6/7
HCF of 12 and 14 is 2. Divide top and bottom by 2: 12÷2 / 14÷2. = 6/7
Worked examples
Simplify 4/10 fully.
- HCF of 4 and 10 is 2.
- Divide top and bottom by 2: 4÷2 / 10÷2.
- = 2/5
- Answer: 2/5
Simplify 18/36 fully.
- HCF of 18 and 36 is 18.
- Divide top and bottom by 18: 18÷18 / 36÷18.
- = 1/2
- Answer: 1/2
Simplify 80/90 fully.
- HCF of 80 and 90 is 10.
- Divide top and bottom by 10: 80÷10 / 90÷10.
- = 8/9
- Answer: 8/9
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Stops after dividing once, leaving a fraction that can still be simplified.
Correction: Check again: do top and bottom still share a factor?
Divides top and bottom by different numbers.
Correction: Always divide both by the same number.
Teacher tips
- · Ask pupils to check their final answer has HCF 1.
Parent tips
- · Simplify sports stats, like 6 wins out of 8 games.
Real-life applications
- · Reporting results: 18/24 of the class becomes 3/4.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Simplifying Fractions in Context lesson really free?
- Yes. Every lessons 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 Working with Simplifying Fractions, Introducing Simplifying Fractions, Equivalent Fractions. Each one has its own free lesson, worksheet and quiz.
- How is the lesson 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 Simplifying Fractions in Context?
- Move on to Introduction to Fractions, Parts of a Fraction, Numerator, Denominator, which build directly on this idea.
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