Free Grade 3 Introducing Line Graphs Common Errors Lesson Plans
Free Grade 3 lesson plans for Introducing Line Graphs Common Errors: 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
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introducing line graphs common errors
Identify introducing line graphs common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introducing line graphs common errors
Explain introducing line graphs common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing line graphs common errors
Calculate introducing line graphs common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing line graphs common errors
Compare introducing line graphs common errors 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 Introducing Line Graphs Common Errors 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 6, Blue 4, Green 7, Yellow 15. In a pie chart, what angle does Red get?[1]
- 2.In a survey: Red 14, Blue 4, Green 7, Yellow 13. In a pie chart, what angle does Green get?[1]
- 3.In a survey: Red 14, Blue 14, Green 15, Yellow 8. In a pie chart, what angle does Red get?[1]
- 4.In a survey: Red 14, Blue 4, Green 11, Yellow 6. In a pie chart, what angle does Blue get?[1]
- 5.In a survey: Red 10, Blue 3, Green 3, Yellow 6. In a pie chart, what angle does Red get?[2]
- 6.In a survey: Red 2, Blue 13, Green 4, Yellow 9. In a pie chart, what angle does Green get?[2]
- 7.In a survey: Red 10, Blue 5, Green 2, Yellow 12. In a pie chart, what angle does Red get?[2]
- 8.In a survey: Red 6, Blue 13, Green 14, Yellow 9. In a pie chart, what angle does Red get?[2]
- 9.In a survey: Red 3, Blue 14, Green 14, Yellow 4. In a pie chart, what angle does Yellow get?[3]
- 10.In a survey: Red 12, Blue 2, Green 14, Yellow 12. In a pie chart, what angle does Yellow get?[3]
- 11.In a survey: Red 8, Blue 12, Green 11, Yellow 8. In a pie chart, what angle does Red get?[3]
- 12.In a survey: Red 5, Blue 2, Green 3, Yellow 2. In a pie chart, what angle does Blue get?[3]
Show answers and working
1. 67.5°
Total = 32. Red fraction = 6/32. 6/32 × 360° = 67.5°.
2. 66.3°
Total = 38. Green fraction = 7/38. 7/38 × 360° = 66.3°.
3. 98.8°
Total = 51. Red fraction = 14/51. 14/51 × 360° = 98.8°.
4. 41.1°
Total = 35. Blue fraction = 4/35. 4/35 × 360° = 41.1°.
5. 163.6°
Total = 22. Red fraction = 10/22. 10/22 × 360° = 163.6°.
6. 51.4°
Total = 28. Green fraction = 4/28. 4/28 × 360° = 51.4°.
7. 124.1°
Total = 29. Red fraction = 10/29. 10/29 × 360° = 124.1°.
8. 51.4°
Total = 42. Red fraction = 6/42. 6/42 × 360° = 51.4°.
9. 41.1°
Total = 35. Yellow fraction = 4/35. 4/35 × 360° = 41.1°.
10. 108°
Total = 40. Yellow fraction = 12/40. 12/40 × 360° = 108°.
11. 73.8°
Total = 39. Red fraction = 8/39. 8/39 × 360° = 73.8°.
12. 60°
Total = 12. Blue fraction = 2/12. 2/12 × 360° = 60°.
Worked examples
In a survey: Red 5, Blue 8, Green 2, Yellow 3. In a pie chart, what angle does Yellow get?
- Total = 18.
- Yellow fraction = 3/18.
- 3/18 × 360° = 60°.
- Answer: 60°
In a survey: Red 13, Blue 4, Green 12, Yellow 11. In a pie chart, what angle does Red get?
- Total = 40.
- Red fraction = 13/40.
- 13/40 × 360° = 117°.
- Answer: 117°
In a survey: Red 7, Blue 2, Green 10, Yellow 3. In a pie chart, what angle does Yellow get?
- Total = 22.
- Yellow fraction = 3/22.
- 3/22 × 360° = 49.1°.
- Answer: 49.1°
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.
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Frequently asked
- Is this Grade 3 Introducing Line Graphs Common Errors lesson plan really free?
- Yes. Every lesson plans 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 Line Graphs Word Problems, Introducing Line Graphs Techniques, Pie Charts. Each one has its own free lesson, worksheet and quiz.
- How is the lesson plan 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 Introducing Line Graphs Common Errors?
- Move on to Working with Line Graphs, Line Graphs in Context, which build directly on this idea.
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