Free Grade 3 Common Fraction Errors in Context Word Problems Lesson Plans
Free Grade 3 lesson plans for Common Fraction Errors in Context Word Problems: 12 real questions with a full answer key and worked solutions. A fraction describes equal parts of a whole. The denominator (bottom) is how many equal parts there are; the numerator (top) is how many we are talking about.
Free
Core
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain common fraction errors in context word problems
Explain common fraction errors in context word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate common fraction errors in context word problems
Calculate common fraction errors in context word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare common fraction errors in context word problems
Compare common fraction errors in context word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify common fraction errors in context word problems
Justify common fraction errors in context word problems 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 Common Fraction Errors in Context Word Problems works
A fraction describes equal parts of a whole. The denominator (bottom) is how many equal parts there are; the numerator (top) is how many we are talking about.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.A shape is split into 5 equal parts and 4 are shaded. What fraction is shaded, and what fraction is not?[1]
- 2.A shape is split into 4 equal parts and 2 are shaded. What fraction is shaded, and what fraction is not?[1]
- 3.A shape is split into 5 equal parts and 3 are shaded. What fraction is shaded, and what fraction is not?[1]
- 4.A shape is split into 8 equal parts and 7 are shaded. What fraction is shaded, and what fraction is not?[1]
- 5.A shape is split into 12 equal parts and 3 are shaded. What fraction is shaded, and what fraction is not?[2]
- 6.A shape is split into 6 equal parts and 1 are shaded. What fraction is shaded, and what fraction is not?[2]
- 7.A shape is split into 2 equal parts and 1 are shaded. What fraction is shaded, and what fraction is not?[2]
- 8.A shape is split into 9 equal parts and 3 are shaded. What fraction is shaded, and what fraction is not?[2]
- 9.A shape is split into 4 equal parts and 1 are shaded. What fraction is shaded, and what fraction is not?[3]
- 10.A shape is split into 13 equal parts and 3 are shaded. What fraction is shaded, and what fraction is not?[3]
- 11.A shape is split into 8 equal parts and 5 are shaded. What fraction is shaded, and what fraction is not?[3]
- 12.A shape is split into 5 equal parts and 2 are shaded. What fraction is shaded, and what fraction is not?[3]
Show answers and working
1. 4/5 shaded, 1/5 not shaded
Denominator = total equal parts = 5. Numerator = shaded parts = 4. Unshaded: 5 − 4 = 1, so 1/5.
2. 2/4 shaded, 2/4 not shaded
Denominator = total equal parts = 4. Numerator = shaded parts = 2. Unshaded: 4 − 2 = 2, so 2/4.
3. 3/5 shaded, 2/5 not shaded
Denominator = total equal parts = 5. Numerator = shaded parts = 3. Unshaded: 5 − 3 = 2, so 2/5.
4. 7/8 shaded, 1/8 not shaded
Denominator = total equal parts = 8. Numerator = shaded parts = 7. Unshaded: 8 − 7 = 1, so 1/8.
5. 3/12 shaded, 9/12 not shaded
Denominator = total equal parts = 12. Numerator = shaded parts = 3. Unshaded: 12 − 3 = 9, so 9/12.
6. 1/6 shaded, 5/6 not shaded
Denominator = total equal parts = 6. Numerator = shaded parts = 1. Unshaded: 6 − 1 = 5, so 5/6.
7. 1/2 shaded, 1/2 not shaded
Denominator = total equal parts = 2. Numerator = shaded parts = 1. Unshaded: 2 − 1 = 1, so 1/2.
8. 3/9 shaded, 6/9 not shaded
Denominator = total equal parts = 9. Numerator = shaded parts = 3. Unshaded: 9 − 3 = 6, so 6/9.
9. 1/4 shaded, 3/4 not shaded
Denominator = total equal parts = 4. Numerator = shaded parts = 1. Unshaded: 4 − 1 = 3, so 3/4.
10. 3/13 shaded, 10/13 not shaded
Denominator = total equal parts = 13. Numerator = shaded parts = 3. Unshaded: 13 − 3 = 10, so 10/13.
11. 5/8 shaded, 3/8 not shaded
Denominator = total equal parts = 8. Numerator = shaded parts = 5. Unshaded: 8 − 5 = 3, so 3/8.
12. 2/5 shaded, 3/5 not shaded
Denominator = total equal parts = 5. Numerator = shaded parts = 2. Unshaded: 5 − 2 = 3, so 3/5.
Worked examples
A shape is split into 4 equal parts and 3 are shaded. What fraction is shaded, and what fraction is not?
- Denominator = total equal parts = 4.
- Numerator = shaded parts = 3.
- Unshaded: 4 − 3 = 1, so 1/4.
- Answer: 3/4 shaded, 1/4 not shaded
A shape is split into 6 equal parts and 4 are shaded. What fraction is shaded, and what fraction is not?
- Denominator = total equal parts = 6.
- Numerator = shaded parts = 4.
- Unshaded: 6 − 4 = 2, so 2/6.
- Answer: 4/6 shaded, 2/6 not shaded
A shape is split into 10 equal parts and 9 are shaded. What fraction is shaded, and what fraction is not?
- Denominator = total equal parts = 10.
- Numerator = shaded parts = 9.
- Unshaded: 10 − 9 = 1, so 1/10.
- Answer: 9/10 shaded, 1/10 not shaded
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Counts unequal parts as fractions.
Correction: Parts must be the same size.
Swaps numerator and denominator.
Correction: The denominator is down — it is the total number of parts.
Teacher tips
- · Fold paper strips into equal parts and label them.
Parent tips
- · Ask what fraction of the family is wearing blue.
Real-life applications
- · Sharing food fairly, telling the time (quarter past).
Assessment objectives
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Frequently asked
- Is this Grade 3 Common Fraction Errors in Context Word Problems 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 Common Fraction Errors in Context Techniques, Common Fraction Errors in Context Essentials, Working with Common Fraction Errors. 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 Common Fraction Errors in Context Word Problems?
- Move on to Common Fraction Errors in Context Common Errors, Introducing Common Fraction Errors, Working with Common Fraction Errors, which build directly on this idea.
Related resources
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