Free Grade 3 Working with Sampling Common Errors in Examinations Quizzes
Free Grade 3 quizzes for Working with Sampling Common Errors in Examinations: 12 real questions with a full answer key and worked solutions. Charts show data visually. In a pie chart, each category's angle is its fraction of the total multiplied by 360°.
Free
Foundation
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with sampling common errors in examinations
Explain working with sampling common errors in examinations accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with sampling common errors in examinations
Calculate working with sampling common errors in examinations accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with sampling common errors in examinations
Compare working with sampling common errors in examinations accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with sampling common errors in examinations
Justify working with sampling common errors in examinations 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 Sampling Common Errors in Examinations works
Charts show data visually. In a pie chart, each category's angle is its fraction of the total multiplied by 360°.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.In a survey: Red 14, Blue 3, Green 8, Yellow 14. In a pie chart, what angle does Green get?[1]
- 2.In a survey: Red 9, Blue 6, Green 4, Yellow 6. In a pie chart, what angle does Red get?[1]
- 3.In a survey: Red 6, Blue 14, Green 9, Yellow 2. In a pie chart, what angle does Red get?[1]
- 4.In a survey: Red 11, Blue 11, Green 7, Yellow 9. In a pie chart, what angle does Red get?[1]
- 5.In a survey: Red 6, Blue 14, Green 2, Yellow 4. In a pie chart, what angle does Red get?[2]
- 6.In a survey: Red 8, Blue 8, Green 6, Yellow 13. In a pie chart, what angle does Green get?[2]
- 7.In a survey: Red 11, Blue 3, Green 8, Yellow 8. In a pie chart, what angle does Yellow get?[2]
- 8.In a survey: Red 14, Blue 12, Green 9, Yellow 8. In a pie chart, what angle does Blue get?[2]
- 9.In a survey: Red 15, Blue 8, Green 14, Yellow 4. In a pie chart, what angle does Blue get?[3]
- 10.In a survey: Red 4, Blue 6, Green 11, Yellow 5. In a pie chart, what angle does Red get?[3]
- 11.In a survey: Red 11, Blue 14, Green 11, Yellow 6. In a pie chart, what angle does Red get?[3]
- 12.In a survey: Red 8, Blue 5, Green 5, Yellow 8. In a pie chart, what angle does Yellow get?[3]
Show answers and working
1. 73.8°
Total = 39. Green fraction = 8/39. 8/39 × 360° = 73.8°.
2. 129.6°
Total = 25. Red fraction = 9/25. 9/25 × 360° = 129.6°.
3. 69.7°
Total = 31. Red fraction = 6/31. 6/31 × 360° = 69.7°.
4. 104.2°
Total = 38. Red fraction = 11/38. 11/38 × 360° = 104.2°.
5. 83.1°
Total = 26. Red fraction = 6/26. 6/26 × 360° = 83.1°.
6. 61.7°
Total = 35. Green fraction = 6/35. 6/35 × 360° = 61.7°.
7. 96°
Total = 30. Yellow fraction = 8/30. 8/30 × 360° = 96°.
8. 100.5°
Total = 43. Blue fraction = 12/43. 12/43 × 360° = 100.5°.
9. 70.2°
Total = 41. Blue fraction = 8/41. 8/41 × 360° = 70.2°.
10. 55.4°
Total = 26. Red fraction = 4/26. 4/26 × 360° = 55.4°.
11. 94.3°
Total = 42. Red fraction = 11/42. 11/42 × 360° = 94.3°.
12. 110.8°
Total = 26. Yellow fraction = 8/26. 8/26 × 360° = 110.8°.
Worked examples
In a survey: Red 12, Blue 5, Green 2, Yellow 10. In a pie chart, what angle does Blue get?
- Total = 29.
- Blue fraction = 5/29.
- 5/29 × 360° = 62.1°.
- Answer: 62.1°
In a survey: Red 6, Blue 13, Green 4, Yellow 14. In a pie chart, what angle does Red get?
- Total = 37.
- Red fraction = 6/37.
- 6/37 × 360° = 58.4°.
- Answer: 58.4°
In a survey: Red 9, Blue 2, Green 9, Yellow 12. In a pie chart, what angle does Green get?
- Total = 32.
- Green fraction = 9/32.
- 9/32 × 360° = 101.3°.
- Answer: 101.3°
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Uses 100 instead of 360 for pie-chart angles.
Correction: A full circle is 360°.
Forgets to find the total first.
Correction: Add all frequencies before working out fractions.
Teacher tips
- · Have pupils check that all angles add to 360°.
Parent tips
- · Look at charts in the news and ask what they show.
Real-life applications
- · News infographics, survey results.
Assessment objectives
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Frequently asked
- Is this Grade 3 Working with Sampling Common Errors in Examinations quiz really free?
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- What should a learner already know before this?
- Start with Working with Working with Sampling Common Errors, Rules and Methods in Working with Sampling Common Errors, Working with Sampling Word Problems. Each one has its own free lesson, worksheet and quiz.
- How is the quiz 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 Sampling Common Errors in Examinations?
- Move on to Working with Sampling Essentials, Working with Sampling Techniques, Working with Sampling Word Problems, which build directly on this idea.
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