Free Grade 3 Rules and Methods in Introducing Sampling Techniques Quizzes
Free Grade 3 quizzes for Rules and Methods in Introducing Sampling Techniques: 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
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain rules and methods in introducing sampling techniques
Explain rules and methods in introducing sampling techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate rules and methods in introducing sampling techniques
Calculate rules and methods in introducing sampling techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare rules and methods in introducing sampling techniques
Compare rules and methods in introducing sampling techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify rules and methods in introducing sampling techniques
Justify rules and methods in introducing sampling techniques 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 Rules and Methods in Introducing Sampling Techniques 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 9, Blue 2, Green 15, Yellow 13. In a pie chart, what angle does Red get?[1]
- 2.In a survey: Red 5, Blue 2, Green 14, Yellow 5. In a pie chart, what angle does Green get?[1]
- 3.In a survey: Red 13, Blue 11, Green 3, Yellow 14. In a pie chart, what angle does Yellow get?[1]
- 4.In a survey: Red 3, Blue 10, Green 3, Yellow 13. In a pie chart, what angle does Yellow get?[1]
- 5.In a survey: Red 13, Blue 14, Green 15, Yellow 13. In a pie chart, what angle does Green get?[2]
- 6.In a survey: Red 6, Blue 8, Green 6, Yellow 4. In a pie chart, what angle does Blue get?[2]
- 7.In a survey: Red 6, Blue 14, Green 7, Yellow 13. In a pie chart, what angle does Green get?[2]
- 8.In a survey: Red 12, Blue 12, Green 10, Yellow 11. In a pie chart, what angle does Red get?[2]
- 9.In a survey: Red 11, Blue 9, Green 8, Yellow 13. In a pie chart, what angle does Blue get?[3]
- 10.In a survey: Red 2, Blue 13, Green 11, Yellow 9. In a pie chart, what angle does Yellow get?[3]
- 11.In a survey: Red 7, Blue 11, Green 13, Yellow 9. In a pie chart, what angle does Yellow get?[3]
- 12.In a survey: Red 3, Blue 7, Green 3, Yellow 10. In a pie chart, what angle does Green get?[3]
Show answers and working
1. 83.1°
Total = 39. Red fraction = 9/39. 9/39 × 360° = 83.1°.
2. 193.8°
Total = 26. Green fraction = 14/26. 14/26 × 360° = 193.8°.
3. 122.9°
Total = 41. Yellow fraction = 14/41. 14/41 × 360° = 122.9°.
4. 161.4°
Total = 29. Yellow fraction = 13/29. 13/29 × 360° = 161.4°.
5. 98.2°
Total = 55. Green fraction = 15/55. 15/55 × 360° = 98.2°.
6. 120°
Total = 24. Blue fraction = 8/24. 8/24 × 360° = 120°.
7. 63°
Total = 40. Green fraction = 7/40. 7/40 × 360° = 63°.
8. 96°
Total = 45. Red fraction = 12/45. 12/45 × 360° = 96°.
9. 79°
Total = 41. Blue fraction = 9/41. 9/41 × 360° = 79°.
10. 92.6°
Total = 35. Yellow fraction = 9/35. 9/35 × 360° = 92.6°.
11. 81°
Total = 40. Yellow fraction = 9/40. 9/40 × 360° = 81°.
12. 47°
Total = 23. Green fraction = 3/23. 3/23 × 360° = 47°.
Worked examples
In a survey: Red 9, Blue 3, Green 3, Yellow 2. In a pie chart, what angle does Yellow get?
- Total = 17.
- Yellow fraction = 2/17.
- 2/17 × 360° = 42.4°.
- Answer: 42.4°
In a survey: Red 10, Blue 8, Green 4, Yellow 10. In a pie chart, what angle does Green get?
- Total = 32.
- Green fraction = 4/32.
- 4/32 × 360° = 45°.
- Answer: 45°
In a survey: Red 13, Blue 6, Green 4, Yellow 9. In a pie chart, what angle does Blue get?
- Total = 32.
- Blue fraction = 6/32.
- 6/32 × 360° = 67.5°.
- Answer: 67.5°
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
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
- Is this Grade 3 Rules and Methods in Introducing Sampling Techniques quiz really free?
- Yes. Every quizzes 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 Key Vocabulary of Introducing Sampling Techniques, Introduction to Introducing Sampling Techniques, Introducing Sampling Essentials. 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 Rules and Methods in Introducing Sampling Techniques?
- Move on to Working with Introducing Sampling Techniques, Introducing Sampling Techniques in Examinations, Introducing Sampling Essentials, Introducing Sampling Word Problems, which build directly on this idea.
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