Free Grade 3 Key Vocabulary of Introducing Sampling Common Errors Quizzes
Free Grade 3 quizzes for Key Vocabulary of Introducing Sampling Common Errors: 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
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain key vocabulary of introducing sampling common errors
Explain key vocabulary of introducing sampling common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate key vocabulary of introducing sampling common errors
Calculate key vocabulary of introducing sampling common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare key vocabulary of introducing sampling common errors
Compare key vocabulary of introducing sampling common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify key vocabulary of introducing sampling common errors
Justify key vocabulary of introducing sampling common errors 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 Key Vocabulary of Introducing Sampling Common Errors 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 13, Blue 15, Green 15, Yellow 6. In a pie chart, what angle does Yellow get?[1]
- 2.In a survey: Red 11, Blue 2, Green 7, Yellow 2. In a pie chart, what angle does Green get?[1]
- 3.In a survey: Red 11, Blue 14, Green 7, Yellow 14. In a pie chart, what angle does Yellow get?[1]
- 4.In a survey: Red 13, Blue 15, Green 13, Yellow 10. In a pie chart, what angle does Red get?[1]
- 5.In a survey: Red 15, Blue 14, Green 8, Yellow 3. In a pie chart, what angle does Blue get?[2]
- 6.In a survey: Red 12, Blue 14, Green 3, Yellow 8. In a pie chart, what angle does Blue get?[2]
- 7.In a survey: Red 7, Blue 13, Green 11, Yellow 6. In a pie chart, what angle does Blue get?[2]
- 8.In a survey: Red 6, Blue 2, Green 4, Yellow 9. In a pie chart, what angle does Yellow get?[2]
- 9.In a survey: Red 13, Blue 11, Green 12, Yellow 5. In a pie chart, what angle does Red get?[3]
- 10.In a survey: Red 12, Blue 6, Green 5, Yellow 10. In a pie chart, what angle does Blue get?[3]
- 11.In a survey: Red 7, Blue 9, Green 14, Yellow 2. In a pie chart, what angle does Green get?[3]
- 12.In a survey: Red 7, Blue 9, Green 5, Yellow 4. In a pie chart, what angle does Green get?[3]
Show answers and working
1. 44.1°
Total = 49. Yellow fraction = 6/49. 6/49 × 360° = 44.1°.
2. 114.5°
Total = 22. Green fraction = 7/22. 7/22 × 360° = 114.5°.
3. 109.6°
Total = 46. Yellow fraction = 14/46. 14/46 × 360° = 109.6°.
4. 91.8°
Total = 51. Red fraction = 13/51. 13/51 × 360° = 91.8°.
5. 126°
Total = 40. Blue fraction = 14/40. 14/40 × 360° = 126°.
6. 136.2°
Total = 37. Blue fraction = 14/37. 14/37 × 360° = 136.2°.
7. 126.5°
Total = 37. Blue fraction = 13/37. 13/37 × 360° = 126.5°.
8. 154.3°
Total = 21. Yellow fraction = 9/21. 9/21 × 360° = 154.3°.
9. 114.1°
Total = 41. Red fraction = 13/41. 13/41 × 360° = 114.1°.
10. 65.5°
Total = 33. Blue fraction = 6/33. 6/33 × 360° = 65.5°.
11. 157.5°
Total = 32. Green fraction = 14/32. 14/32 × 360° = 157.5°.
12. 72°
Total = 25. Green fraction = 5/25. 5/25 × 360° = 72°.
Worked examples
In a survey: Red 10, Blue 11, Green 15, Yellow 11. In a pie chart, what angle does Green get?
- Total = 47.
- Green fraction = 15/47.
- 15/47 × 360° = 114.9°.
- Answer: 114.9°
In a survey: Red 11, Blue 8, Green 7, Yellow 9. In a pie chart, what angle does Green get?
- Total = 35.
- Green fraction = 7/35.
- 7/35 × 360° = 72°.
- Answer: 72°
In a survey: Red 12, Blue 13, Green 3, Yellow 13. In a pie chart, what angle does Red get?
- Total = 41.
- Red fraction = 12/41.
- 12/41 × 360° = 105.4°.
- Answer: 105.4°
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
How mastery is evidenced, and which standards it maps to.
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Frequently asked
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- What should a learner already know before this?
- Start with Introduction to Introducing Sampling Common Errors, Introducing Sampling Word Problems. Each one has its own free lesson, worksheet and quiz.
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- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
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- Move on to Rules and Methods in Introducing Sampling Common Errors, Working with Introducing Sampling Common Errors, Introducing Sampling Common Errors in Examinations, Introducing Sampling Essentials, which build directly on this idea.
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