Free Grade 3 Rules and Methods in Introducing Sampling Techniques: Step-by-step Method Quizzes
Free Grade 3 quizzes for Rules and Methods in Introducing Sampling Techniques: Step-by-step Method: 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
Higher
30 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: step-by-step method
Explain rules and methods in introducing sampling techniques: step-by-step method accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate rules and methods in introducing sampling techniques: step-by-step method
Calculate rules and methods in introducing sampling techniques: step-by-step method accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare rules and methods in introducing sampling techniques: step-by-step method
Compare rules and methods in introducing sampling techniques: step-by-step method accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify rules and methods in introducing sampling techniques: step-by-step method
Justify rules and methods in introducing sampling techniques: step-by-step method 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: Step-by-step Method 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 11, Blue 9, Green 13, Yellow 7. In a pie chart, what angle does Green get?[1]
- 2.In a survey: Red 4, Blue 9, Green 12, Yellow 3. In a pie chart, what angle does Green get?[1]
- 3.In a survey: Red 14, Blue 15, Green 8, Yellow 3. In a pie chart, what angle does Green get?[1]
- 4.In a survey: Red 13, Blue 10, Green 2, Yellow 6. In a pie chart, what angle does Yellow get?[1]
- 5.In a survey: Red 2, Blue 2, Green 9, Yellow 3. In a pie chart, what angle does Blue get?[2]
- 6.In a survey: Red 10, Blue 4, Green 9, Yellow 7. In a pie chart, what angle does Blue get?[2]
- 7.In a survey: Red 12, Blue 9, Green 13, Yellow 13. In a pie chart, what angle does Green get?[2]
- 8.In a survey: Red 3, Blue 5, Green 2, Yellow 8. In a pie chart, what angle does Red get?[2]
- 9.In a survey: Red 7, Blue 5, Green 14, Yellow 3. In a pie chart, what angle does Blue get?[3]
- 10.In a survey: Red 8, Blue 15, Green 13, Yellow 9. In a pie chart, what angle does Green get?[3]
- 11.In a survey: Red 7, Blue 8, Green 13, Yellow 10. In a pie chart, what angle does Yellow get?[3]
- 12.In a survey: Red 2, Blue 6, Green 12, Yellow 13. In a pie chart, what angle does Blue get?[3]
Show answers and working
1. 117°
Total = 40. Green fraction = 13/40. 13/40 × 360° = 117°.
2. 154.3°
Total = 28. Green fraction = 12/28. 12/28 × 360° = 154.3°.
3. 72°
Total = 40. Green fraction = 8/40. 8/40 × 360° = 72°.
4. 69.7°
Total = 31. Yellow fraction = 6/31. 6/31 × 360° = 69.7°.
5. 45°
Total = 16. Blue fraction = 2/16. 2/16 × 360° = 45°.
6. 48°
Total = 30. Blue fraction = 4/30. 4/30 × 360° = 48°.
7. 99.6°
Total = 47. Green fraction = 13/47. 13/47 × 360° = 99.6°.
8. 60°
Total = 18. Red fraction = 3/18. 3/18 × 360° = 60°.
9. 62.1°
Total = 29. Blue fraction = 5/29. 5/29 × 360° = 62.1°.
10. 104°
Total = 45. Green fraction = 13/45. 13/45 × 360° = 104°.
11. 94.7°
Total = 38. Yellow fraction = 10/38. 10/38 × 360° = 94.7°.
12. 65.5°
Total = 33. Blue fraction = 6/33. 6/33 × 360° = 65.5°.
Worked examples
In a survey: Red 4, Blue 4, Green 12, Yellow 2. In a pie chart, what angle does Blue get?
- Total = 22.
- Blue fraction = 4/22.
- 4/22 × 360° = 65.5°.
- Answer: 65.5°
In a survey: Red 9, Blue 6, Green 13, Yellow 6. In a pie chart, what angle does Yellow get?
- Total = 34.
- Yellow fraction = 6/34.
- 6/34 × 360° = 63.5°.
- Answer: 63.5°
In a survey: Red 5, Blue 15, Green 9, Yellow 14. In a pie chart, what angle does Yellow get?
- Total = 43.
- Yellow fraction = 14/43.
- 14/43 × 360° = 117.2°.
- Answer: 117.2°
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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