Free Grade 3 Range in Context Common Errors Flashcards
Free Grade 3 flashcards for Range 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.
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25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify range in context common errors
Identify range in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain range in context common errors
Explain range in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate range in context common errors
Calculate range in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare range in context common errors
Compare range 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 Range 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 3, 6, 7, 9, 18, find the mean, median, mode and range.[1]
- 2.For the data 4, 12, 15, 16, 17, find the mean, median, mode and range.[1]
- 3.For the data 5, 12, 15, 15, 16, find the mean, median, mode and range.[1]
- 4.For the data 5, 10, 10, 16, 18, find the mean, median, mode and range.[1]
- 5.For the data 9, 22, 24, 26, 29, 29, 33, find the mean, median, mode and range.[2]
- 6.For the data 1, 15, 18, 22, 27, 32, 40, find the mean, median, mode and range.[2]
- 7.For the data 21, 22, 23, 28, 28, 35, 36, find the mean, median, mode and range.[2]
- 8.For the data 3, 14, 16, 19, 21, 24, 36, find the mean, median, mode and range.[2]
- 9.For the data 8, 23, 34, 41, 44, 51, 51, 55, 55, find the mean, median, mode and range.[3]
- 10.For the data 14, 27, 29, 31, 38, 41, 44, 59, 60, find the mean, median, mode and range.[3]
- 11.For the data 12, 13, 14, 28, 41, 43, 47, 53, 55, find the mean, median, mode and range.[3]
- 12.For the data 4, 4, 7, 13, 19, 30, 30, 51, 58, find the mean, median, mode and range.[3]
Show answers and working
1. Mean 8.6, median 7, mode none, range 15
Mean = 43 ÷ 5 = 8.6. Median = middle value in order = 7. Mode = most common = no repeated value. Range = 18 − 3 = 15.
2. Mean 12.8, median 15, mode none, range 13
Mean = 64 ÷ 5 = 12.8. Median = middle value in order = 15. Mode = most common = no repeated value. Range = 17 − 4 = 13.
3. Mean 12.6, median 15, mode 15, range 11
Mean = 63 ÷ 5 = 12.6. Median = middle value in order = 15. Mode = most common = 15. Range = 16 − 5 = 11.
4. Mean 11.8, median 10, mode 10, range 13
Mean = 59 ÷ 5 = 11.8. Median = middle value in order = 10. Mode = most common = 10. Range = 18 − 5 = 13.
5. Mean 24.57, median 26, mode 29, range 24
Mean = 172 ÷ 7 = 24.57. Median = middle value in order = 26. Mode = most common = 29. Range = 33 − 9 = 24.
6. Mean 22.14, median 22, mode none, range 39
Mean = 155 ÷ 7 = 22.14. Median = middle value in order = 22. Mode = most common = no repeated value. Range = 40 − 1 = 39.
7. Mean 27.57, median 28, mode 28, range 15
Mean = 193 ÷ 7 = 27.57. Median = middle value in order = 28. Mode = most common = 28. Range = 36 − 21 = 15.
8. Mean 19, median 19, mode none, range 33
Mean = 133 ÷ 7 = 19. Median = middle value in order = 19. Mode = most common = no repeated value. Range = 36 − 3 = 33.
9. Mean 40.22, median 44, mode 51 and 55, range 47
Mean = 362 ÷ 9 = 40.22. Median = middle value in order = 44. Mode = most common = 51 and 55. Range = 55 − 8 = 47.
10. Mean 38.11, median 38, mode none, range 46
Mean = 343 ÷ 9 = 38.11. Median = middle value in order = 38. Mode = most common = no repeated value. Range = 60 − 14 = 46.
11. Mean 34, median 41, mode none, range 43
Mean = 306 ÷ 9 = 34. Median = middle value in order = 41. Mode = most common = no repeated value. Range = 55 − 12 = 43.
12. Mean 24, median 19, mode 4 and 30, range 54
Mean = 216 ÷ 9 = 24. Median = middle value in order = 19. Mode = most common = 4 and 30. Range = 58 − 4 = 54.
Worked examples
For the data 5, 7, 7, 11, 14, find the mean, median, mode and range.
- Mean = 44 ÷ 5 = 8.8.
- Median = middle value in order = 7.
- Mode = most common = 7.
- Range = 14 − 5 = 9.
- Answer: Mean 8.8, median 7, mode 7, range 9
For the data 9, 11, 14, 18, 27, 27, 40, find the mean, median, mode and range.
- Mean = 146 ÷ 7 = 20.86.
- Median = middle value in order = 18.
- Mode = most common = 27.
- Range = 40 − 9 = 31.
- Answer: Mean 20.86, median 18, mode 27, range 31
For the data 2, 5, 5, 6, 13, 17, 27, 31, 33, find the mean, median, mode and range.
- Mean = 139 ÷ 9 = 15.44.
- Median = middle value in order = 13.
- Mode = most common = 5.
- Range = 33 − 2 = 31.
- Answer: Mean 15.44, median 13, mode 5, range 31
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.
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Frequently asked
- Is this Grade 3 Range in Context Common Errors 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 Range in Context Word Problems, Range in Context Techniques, Working with Range. 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 Range in Context Common Errors?
- Move on to Introducing Range, Working with Range, which build directly on this idea.
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