Free Grade 3 Rules and Methods in Introducing Sampling Essentials: Worked Examples Quizzes
Free Grade 3 quizzes for Rules and Methods in Introducing Sampling Essentials: Worked Examples: 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
Stretch
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify rules and methods in introducing sampling essentials: worked examples
Identify rules and methods in introducing sampling essentials: worked examples accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain rules and methods in introducing sampling essentials: worked examples
Explain rules and methods in introducing sampling essentials: worked examples accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate rules and methods in introducing sampling essentials: worked examples
Calculate rules and methods in introducing sampling essentials: worked examples accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare rules and methods in introducing sampling essentials: worked examples
Compare rules and methods in introducing sampling essentials: worked examples 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 Essentials: Worked Examples 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 6, Green 13, Yellow 11. In a pie chart, what angle does Blue get?[1]
- 2.In a survey: Red 6, Blue 15, Green 9, Yellow 13. In a pie chart, what angle does Blue get?[1]
- 3.In a survey: Red 8, Blue 13, Green 5, Yellow 13. In a pie chart, what angle does Blue get?[1]
- 4.In a survey: Red 7, Blue 7, Green 10, Yellow 12. In a pie chart, what angle does Yellow get?[1]
- 5.In a survey: Red 15, Blue 6, Green 14, Yellow 7. In a pie chart, what angle does Green get?[2]
- 6.In a survey: Red 12, Blue 7, Green 11, Yellow 3. In a pie chart, what angle does Yellow get?[2]
- 7.In a survey: Red 10, Blue 8, Green 8, Yellow 4. In a pie chart, what angle does Blue get?[2]
- 8.In a survey: Red 15, Blue 11, Green 15, Yellow 3. In a pie chart, what angle does Yellow get?[2]
- 9.In a survey: Red 4, Blue 3, Green 10, Yellow 5. In a pie chart, what angle does Blue get?[3]
- 10.In a survey: Red 8, Blue 5, Green 4, Yellow 11. In a pie chart, what angle does Red get?[3]
- 11.In a survey: Red 8, Blue 11, Green 8, Yellow 12. In a pie chart, what angle does Red get?[3]
- 12.In a survey: Red 11, Blue 13, Green 13, Yellow 6. In a pie chart, what angle does Red get?[3]
Show answers and working
1. 52.7°
Total = 41. Blue fraction = 6/41. 6/41 × 360° = 52.7°.
2. 125.6°
Total = 43. Blue fraction = 15/43. 15/43 × 360° = 125.6°.
3. 120°
Total = 39. Blue fraction = 13/39. 13/39 × 360° = 120°.
4. 120°
Total = 36. Yellow fraction = 12/36. 12/36 × 360° = 120°.
5. 120°
Total = 42. Green fraction = 14/42. 14/42 × 360° = 120°.
6. 32.7°
Total = 33. Yellow fraction = 3/33. 3/33 × 360° = 32.7°.
7. 96°
Total = 30. Blue fraction = 8/30. 8/30 × 360° = 96°.
8. 24.5°
Total = 44. Yellow fraction = 3/44. 3/44 × 360° = 24.5°.
9. 49.1°
Total = 22. Blue fraction = 3/22. 3/22 × 360° = 49.1°.
10. 102.9°
Total = 28. Red fraction = 8/28. 8/28 × 360° = 102.9°.
11. 73.8°
Total = 39. Red fraction = 8/39. 8/39 × 360° = 73.8°.
12. 92.1°
Total = 43. Red fraction = 11/43. 11/43 × 360° = 92.1°.
Worked examples
In a survey: Red 3, Blue 4, Green 5, Yellow 10. In a pie chart, what angle does Yellow get?
- Total = 22.
- Yellow fraction = 10/22.
- 10/22 × 360° = 163.6°.
- Answer: 163.6°
In a survey: Red 11, Blue 2, Green 11, Yellow 11. In a pie chart, what angle does Red get?
- Total = 35.
- Red fraction = 11/35.
- 11/35 × 360° = 113.1°.
- Answer: 113.1°
In a survey: Red 14, Blue 8, Green 4, Yellow 9. In a pie chart, what angle does Blue get?
- Total = 35.
- Blue fraction = 8/35.
- 8/35 × 360° = 82.3°.
- Answer: 82.3°
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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- Start with Rules and Methods in Introducing Sampling Essentials: Step-by-step Method, What is Rules and Methods in Introducing Sampling Essentials, Key Vocabulary of Introducing Sampling Essentials. Each one has its own free lesson, worksheet and quiz.
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- Move on to Rules and Methods in Introducing Sampling Essentials: Visual Models, Rules and Methods in Introducing Sampling Essentials: Common Mistakes, Rules and Methods in Introducing Sampling Essentials: Real-life Applications, Introduction to Introducing Sampling Essentials, which build directly on this idea.
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