Free Grade 3 Working with Scatter Graphs Lessons
Free Grade 3 lessons for Working with Scatter Graphs: 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
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with scatter graphs
Identify working with scatter graphs accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with scatter graphs
Explain working with scatter graphs accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with scatter graphs
Calculate working with scatter graphs accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with scatter graphs
Compare working with scatter graphs 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 Scatter Graphs 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 3, Blue 15, Green 10, Yellow 2. In a pie chart, what angle does Green get?[1]
- 2.In a survey: Red 4, Blue 8, Green 6, Yellow 13. In a pie chart, what angle does Yellow get?[1]
- 3.In a survey: Red 8, Blue 13, Green 5, Yellow 14. In a pie chart, what angle does Yellow get?[1]
- 4.In a survey: Red 9, Blue 9, Green 3, Yellow 9. In a pie chart, what angle does Yellow get?[1]
- 5.In a survey: Red 11, Blue 4, Green 2, Yellow 5. In a pie chart, what angle does Blue get?[2]
- 6.In a survey: Red 3, Blue 8, Green 8, Yellow 15. In a pie chart, what angle does Yellow get?[2]
- 7.In a survey: Red 2, Blue 15, Green 15, Yellow 2. In a pie chart, what angle does Red get?[2]
- 8.In a survey: Red 2, Blue 2, Green 8, Yellow 12. In a pie chart, what angle does Yellow get?[2]
- 9.In a survey: Red 9, Blue 9, Green 10, Yellow 15. In a pie chart, what angle does Red get?[3]
- 10.In a survey: Red 10, Blue 15, Green 7, Yellow 9. In a pie chart, what angle does Red get?[3]
- 11.In a survey: Red 11, Blue 14, Green 10, Yellow 4. In a pie chart, what angle does Red get?[3]
- 12.In a survey: Red 14, Blue 6, Green 10, Yellow 5. In a pie chart, what angle does Green get?[3]
Show answers and working
1. 120°
Total = 30. Green fraction = 10/30. 10/30 × 360° = 120°.
2. 151°
Total = 31. Yellow fraction = 13/31. 13/31 × 360° = 151°.
3. 126°
Total = 40. Yellow fraction = 14/40. 14/40 × 360° = 126°.
4. 108°
Total = 30. Yellow fraction = 9/30. 9/30 × 360° = 108°.
5. 65.5°
Total = 22. Blue fraction = 4/22. 4/22 × 360° = 65.5°.
6. 158.8°
Total = 34. Yellow fraction = 15/34. 15/34 × 360° = 158.8°.
7. 21.2°
Total = 34. Red fraction = 2/34. 2/34 × 360° = 21.2°.
8. 180°
Total = 24. Yellow fraction = 12/24. 12/24 × 360° = 180°.
9. 75.3°
Total = 43. Red fraction = 9/43. 9/43 × 360° = 75.3°.
10. 87.8°
Total = 41. Red fraction = 10/41. 10/41 × 360° = 87.8°.
11. 101.5°
Total = 39. Red fraction = 11/39. 11/39 × 360° = 101.5°.
12. 102.9°
Total = 35. Green fraction = 10/35. 10/35 × 360° = 102.9°.
Worked examples
In a survey: Red 4, Blue 6, Green 7, Yellow 6. In a pie chart, what angle does Blue get?
- Total = 23.
- Blue fraction = 6/23.
- 6/23 × 360° = 93.9°.
- Answer: 93.9°
In a survey: Red 12, Blue 8, Green 4, Yellow 2. In a pie chart, what angle does Green get?
- Total = 26.
- Green fraction = 4/26.
- 4/26 × 360° = 55.4°.
- Answer: 55.4°
In a survey: Red 6, Blue 12, Green 11, Yellow 6. In a pie chart, what angle does Green get?
- Total = 35.
- Green fraction = 11/35.
- 11/35 × 360° = 113.1°.
- Answer: 113.1°
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 Scatter Graphs
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Frequently asked
- Is this Grade 3 Working with Scatter Graphs lesson really free?
- Yes. Every lessons 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 Introducing Scatter Graphs, Line Graphs. Each one has its own free lesson, worksheet and quiz.
- How is the lesson 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 Scatter Graphs?
- Move on to Scatter Graphs in Context, Bar Charts, Pie Charts, Line Graphs, which build directly on this idea.
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