Free Grade 3 Mode in Context Common Errors Lesson Plans
Free Grade 3 lesson plans for Mode in Context Common Errors: 12 real questions with a full answer key and worked solutions. The mean is the total divided by how many values. The median is the middle value in order. The mode is the most common. The range is largest minus smallest.
Free
Foundation
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify mode in context common errors
Identify mode in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain mode in context common errors
Explain mode in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate mode in context common errors
Calculate mode in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare mode in context common errors
Compare mode in context 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 Mode in Context Common Errors works
The mean is the total divided by how many values. The median is the middle value in order. The mode is the most common. The range is largest minus smallest.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.For the data 2, 2, 2, 12, 15, find the mean, median, mode and range.[1]
- 2.For the data 2, 6, 8, 8, 9, find the mean, median, mode and range.[1]
- 3.For the data 2, 4, 10, 11, 12, find the mean, median, mode and range.[1]
- 4.For the data 1, 5, 6, 10, 18, find the mean, median, mode and range.[1]
- 5.For the data 9, 9, 10, 15, 17, 29, 33, find the mean, median, mode and range.[2]
- 6.For the data 10, 12, 13, 14, 25, 36, 40, find the mean, median, mode and range.[2]
- 7.For the data 11, 12, 17, 34, 35, 37, 40, find the mean, median, mode and range.[2]
- 8.For the data 2, 4, 7, 9, 13, 27, 31, find the mean, median, mode and range.[2]
- 9.For the data 12, 18, 19, 19, 32, 42, 43, 44, 60, find the mean, median, mode and range.[3]
- 10.For the data 1, 5, 6, 17, 21, 24, 36, 49, 59, find the mean, median, mode and range.[3]
- 11.For the data 9, 11, 14, 18, 20, 22, 22, 27, 47, find the mean, median, mode and range.[3]
- 12.For the data 1, 4, 6, 8, 16, 17, 28, 54, 56, find the mean, median, mode and range.[3]
Show answers and working
1. Mean 6.6, median 2, mode 2, range 13
Mean = 33 ÷ 5 = 6.6. Median = middle value in order = 2. Mode = most common = 2. Range = 15 − 2 = 13.
2. Mean 6.6, median 8, mode 8, range 7
Mean = 33 ÷ 5 = 6.6. Median = middle value in order = 8. Mode = most common = 8. Range = 9 − 2 = 7.
3. Mean 7.8, median 10, mode none, range 10
Mean = 39 ÷ 5 = 7.8. Median = middle value in order = 10. Mode = most common = no repeated value. Range = 12 − 2 = 10.
4. Mean 8, median 6, mode none, range 17
Mean = 40 ÷ 5 = 8. Median = middle value in order = 6. Mode = most common = no repeated value. Range = 18 − 1 = 17.
5. Mean 17.43, median 15, mode 9, range 24
Mean = 122 ÷ 7 = 17.43. Median = middle value in order = 15. Mode = most common = 9. Range = 33 − 9 = 24.
6. Mean 21.43, median 14, mode none, range 30
Mean = 150 ÷ 7 = 21.43. Median = middle value in order = 14. Mode = most common = no repeated value. Range = 40 − 10 = 30.
7. Mean 26.57, median 34, mode none, range 29
Mean = 186 ÷ 7 = 26.57. Median = middle value in order = 34. Mode = most common = no repeated value. Range = 40 − 11 = 29.
8. Mean 13.29, median 9, mode none, range 29
Mean = 93 ÷ 7 = 13.29. Median = middle value in order = 9. Mode = most common = no repeated value. Range = 31 − 2 = 29.
9. Mean 32.11, median 32, mode 19, range 48
Mean = 289 ÷ 9 = 32.11. Median = middle value in order = 32. Mode = most common = 19. Range = 60 − 12 = 48.
10. Mean 24.22, median 21, mode none, range 58
Mean = 218 ÷ 9 = 24.22. Median = middle value in order = 21. Mode = most common = no repeated value. Range = 59 − 1 = 58.
11. Mean 21.11, median 20, mode 22, range 38
Mean = 190 ÷ 9 = 21.11. Median = middle value in order = 20. Mode = most common = 22. Range = 47 − 9 = 38.
12. Mean 21.11, median 16, mode none, range 55
Mean = 190 ÷ 9 = 21.11. Median = middle value in order = 16. Mode = most common = no repeated value. Range = 56 − 1 = 55.
Worked examples
For the data 2, 3, 4, 13, 15, find the mean, median, mode and range.
- Mean = 37 ÷ 5 = 7.4.
- Median = middle value in order = 4.
- Mode = most common = no repeated value.
- Range = 15 − 2 = 13.
- Answer: Mean 7.4, median 4, mode none, range 13
For the data 10, 12, 17, 20, 34, 35, 40, find the mean, median, mode and range.
- Mean = 168 ÷ 7 = 24.
- Median = middle value in order = 20.
- Mode = most common = no repeated value.
- Range = 40 − 10 = 30.
- Answer: Mean 24, median 20, mode none, range 30
For the data 12, 14, 17, 19, 21, 23, 28, 39, 52, find the mean, median, mode and range.
- Mean = 225 ÷ 9 = 25.
- Median = middle value in order = 21.
- Mode = most common = no repeated value.
- Range = 52 − 12 = 40.
- Answer: Mean 25, median 21, mode none, range 40
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Finds the median without ordering the data.
Correction: Always put the numbers in order first.
Gives the range as the two end numbers.
Correction: Range is one number: largest minus smallest.
Teacher tips
- · Collect real class data (heights, shoe sizes).
Parent tips
- · Work out your average bedtime over a week.
Real-life applications
- · Sports averages, typical prices, test scores.
Assessment objectives
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Frequently asked
- Is this Grade 3 Mode in Context 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 Mode in Context Word Problems, Mode in Context Techniques, Working with Mode. 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 Mode in Context Common Errors?
- Move on to Introducing Mode, Working with Mode, which build directly on this idea.
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