Free Grade 3 Working with Introducing Sampling Essentials: Worked Examples Flashcards
Free Grade 3 flashcards for Working with 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
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with introducing sampling essentials: worked examples
Identify working with introducing sampling essentials: worked examples accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with introducing sampling essentials: worked examples
Explain working with introducing sampling essentials: worked examples accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with introducing sampling essentials: worked examples
Calculate working with introducing sampling essentials: worked examples accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with introducing sampling essentials: worked examples
Compare working with 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 Working with 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 7, Blue 2, Green 8, Yellow 13. In a pie chart, what angle does Red get?[1]
- 2.In a survey: Red 9, Blue 11, Green 3, Yellow 4. In a pie chart, what angle does Red get?[1]
- 3.In a survey: Red 5, Blue 3, Green 15, Yellow 13. In a pie chart, what angle does Red get?[1]
- 4.In a survey: Red 12, Blue 8, Green 14, Yellow 9. In a pie chart, what angle does Yellow get?[1]
- 5.In a survey: Red 8, Blue 7, Green 5, Yellow 2. In a pie chart, what angle does Red get?[2]
- 6.In a survey: Red 13, Blue 15, Green 6, Yellow 7. In a pie chart, what angle does Green get?[2]
- 7.In a survey: Red 10, Blue 3, Green 13, Yellow 9. In a pie chart, what angle does Green get?[2]
- 8.In a survey: Red 15, Blue 2, Green 11, Yellow 13. In a pie chart, what angle does Yellow get?[2]
- 9.In a survey: Red 8, Blue 4, Green 3, Yellow 7. In a pie chart, what angle does Yellow get?[3]
- 10.In a survey: Red 9, Blue 15, Green 15, Yellow 4. In a pie chart, what angle does Red get?[3]
- 11.In a survey: Red 13, Blue 8, Green 6, Yellow 15. In a pie chart, what angle does Yellow get?[3]
- 12.In a survey: Red 6, Blue 7, Green 8, Yellow 7. In a pie chart, what angle does Blue get?[3]
Show answers and working
1. 84°
Total = 30. Red fraction = 7/30. 7/30 × 360° = 84°.
2. 120°
Total = 27. Red fraction = 9/27. 9/27 × 360° = 120°.
3. 50°
Total = 36. Red fraction = 5/36. 5/36 × 360° = 50°.
4. 75.3°
Total = 43. Yellow fraction = 9/43. 9/43 × 360° = 75.3°.
5. 130.9°
Total = 22. Red fraction = 8/22. 8/22 × 360° = 130.9°.
6. 52.7°
Total = 41. Green fraction = 6/41. 6/41 × 360° = 52.7°.
7. 133.7°
Total = 35. Green fraction = 13/35. 13/35 × 360° = 133.7°.
8. 114.1°
Total = 41. Yellow fraction = 13/41. 13/41 × 360° = 114.1°.
9. 114.5°
Total = 22. Yellow fraction = 7/22. 7/22 × 360° = 114.5°.
10. 75.3°
Total = 43. Red fraction = 9/43. 9/43 × 360° = 75.3°.
11. 128.6°
Total = 42. Yellow fraction = 15/42. 15/42 × 360° = 128.6°.
12. 90°
Total = 28. Blue fraction = 7/28. 7/28 × 360° = 90°.
Worked examples
In a survey: Red 11, Blue 12, Green 5, Yellow 12. In a pie chart, what angle does Green get?
- Total = 40.
- Green fraction = 5/40.
- 5/40 × 360° = 45°.
- Answer: 45°
In a survey: Red 3, Blue 13, Green 4, Yellow 8. In a pie chart, what angle does Green get?
- Total = 28.
- Green fraction = 4/28.
- 4/28 × 360° = 51.4°.
- Answer: 51.4°
In a survey: Red 10, Blue 10, Green 7, Yellow 10. In a pie chart, what angle does Blue get?
- Total = 37.
- Blue fraction = 10/37.
- 10/37 × 360° = 97.3°.
- Answer: 97.3°
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
How mastery is evidenced, and which standards it maps to.
Every free resource for Working with Introducing Sampling Essentials: Worked Examples
One concept, one ecosystem — all of it free.
Goes deeper
The entities below this one, each with the same complete free resource set.
Sibling concepts
Related concepts
Lateral links, including across subjects.
Next topics
All free formats for this concept
Every kind below is a real page, generated from this entity.
Learn — Meet the idea.
Practice — Build fluency.
Revise — Keep it in memory.
Assess — Prove mastery.
Apply — Use it in context.
Teach — Deliver it to a class.
Frequently asked
- Is this Grade 3 Working with Introducing Sampling Essentials: Worked Examples flashcards really free?
- Yes. Every flashcards 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 Working with Introducing Sampling Essentials: Step-by-step Method, What is Working with Introducing Sampling Essentials, Rules and Methods in Introducing Sampling Essentials. Each one has its own free lesson, worksheet and quiz.
- How is the flashcards 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 Introducing Sampling Essentials: Worked Examples?
- Move on to Working with Introducing Sampling Essentials: Visual Models, Working with Introducing Sampling Essentials: Common Mistakes, Working with Introducing Sampling Essentials: Real-life Applications, Introduction to Introducing Sampling Essentials, which build directly on this idea.
Related resources
- Free Working with Introducing Sampling Essentials: Worked Examples worksheets
- Free Working with Introducing Sampling Essentials: Worked Examples quizzes
- Free Working with Introducing Sampling Essentials: Worked Examples lessons
- Free Working with Introducing Sampling Essentials: Worked Examples lesson plans
- Working with Introducing Sampling Essentials: Worked Examples in the knowledge graph
- Free AI Tutor
Stuck on Working with Introducing Sampling Essentials: Worked Examples? The AI Tutor already knows this page, its prerequisites and its common mistakes.
Open the free AI Tutor