Free Grade 3 Working with Range Common Errors Flashcards
Free Grade 3 flashcards for Working with Range 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
Core
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with range common errors
Identify working with range common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with range common errors
Explain working with range common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with range common errors
Calculate working with range common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with range common errors
Compare working with range 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 Working with Range 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, 5, 9, 17, 20, find the mean, median, mode and range.[1]
- 2.For the data 5, 6, 9, 17, 18, find the mean, median, mode and range.[1]
- 3.For the data 1, 1, 10, 10, 12, find the mean, median, mode and range.[1]
- 4.For the data 2, 3, 7, 17, 18, find the mean, median, mode and range.[1]
- 5.For the data 3, 3, 12, 27, 30, 36, 37, find the mean, median, mode and range.[2]
- 6.For the data 7, 10, 12, 24, 27, 34, 35, find the mean, median, mode and range.[2]
- 7.For the data 9, 16, 19, 19, 23, 24, 33, find the mean, median, mode and range.[2]
- 8.For the data 3, 6, 13, 14, 26, 29, 37, find the mean, median, mode and range.[2]
- 9.For the data 12, 17, 23, 36, 38, 39, 41, 41, 51, find the mean, median, mode and range.[3]
- 10.For the data 6, 7, 15, 32, 32, 43, 48, 51, 58, find the mean, median, mode and range.[3]
- 11.For the data 14, 22, 27, 36, 42, 43, 45, 50, 58, find the mean, median, mode and range.[3]
- 12.For the data 8, 15, 16, 21, 36, 38, 39, 54, 55, find the mean, median, mode and range.[3]
Show answers and working
1. Mean 10.8, median 9, mode none, range 17
Mean = 54 ÷ 5 = 10.8. Median = middle value in order = 9. Mode = most common = no repeated value. Range = 20 − 3 = 17.
2. Mean 11, median 9, mode none, range 13
Mean = 55 ÷ 5 = 11. Median = middle value in order = 9. Mode = most common = no repeated value. Range = 18 − 5 = 13.
3. Mean 6.8, median 10, mode 1 and 10, range 11
Mean = 34 ÷ 5 = 6.8. Median = middle value in order = 10. Mode = most common = 1 and 10. Range = 12 − 1 = 11.
4. Mean 9.4, median 7, mode none, range 16
Mean = 47 ÷ 5 = 9.4. Median = middle value in order = 7. Mode = most common = no repeated value. Range = 18 − 2 = 16.
5. Mean 21.14, median 27, mode 3, range 34
Mean = 148 ÷ 7 = 21.14. Median = middle value in order = 27. Mode = most common = 3. Range = 37 − 3 = 34.
6. Mean 21.29, median 24, mode none, range 28
Mean = 149 ÷ 7 = 21.29. Median = middle value in order = 24. Mode = most common = no repeated value. Range = 35 − 7 = 28.
7. Mean 20.43, median 19, mode 19, range 24
Mean = 143 ÷ 7 = 20.43. Median = middle value in order = 19. Mode = most common = 19. Range = 33 − 9 = 24.
8. Mean 18.29, median 14, mode none, range 34
Mean = 128 ÷ 7 = 18.29. Median = middle value in order = 14. Mode = most common = no repeated value. Range = 37 − 3 = 34.
9. Mean 33.11, median 38, mode 41, range 39
Mean = 298 ÷ 9 = 33.11. Median = middle value in order = 38. Mode = most common = 41. Range = 51 − 12 = 39.
10. Mean 32.44, median 32, mode 32, range 52
Mean = 292 ÷ 9 = 32.44. Median = middle value in order = 32. Mode = most common = 32. Range = 58 − 6 = 52.
11. Mean 37.44, median 42, mode none, range 44
Mean = 337 ÷ 9 = 37.44. Median = middle value in order = 42. Mode = most common = no repeated value. Range = 58 − 14 = 44.
12. Mean 31.33, median 36, mode none, range 47
Mean = 282 ÷ 9 = 31.33. Median = middle value in order = 36. Mode = most common = no repeated value. Range = 55 − 8 = 47.
Worked examples
For the data 11, 13, 14, 16, 19, find the mean, median, mode and range.
- Mean = 73 ÷ 5 = 14.6.
- Median = middle value in order = 14.
- Mode = most common = no repeated value.
- Range = 19 − 11 = 8.
- Answer: Mean 14.6, median 14, mode none, range 8
For the data 9, 10, 10, 27, 32, 38, 39, find the mean, median, mode and range.
- Mean = 165 ÷ 7 = 23.57.
- Median = middle value in order = 27.
- Mode = most common = 10.
- Range = 39 − 9 = 30.
- Answer: Mean 23.57, median 27, mode 10, range 30
For the data 13, 25, 26, 48, 49, 51, 53, 53, 55, find the mean, median, mode and range.
- Mean = 373 ÷ 9 = 41.44.
- Median = middle value in order = 49.
- Mode = most common = 53.
- Range = 55 − 13 = 42.
- Answer: Mean 41.44, median 49, mode 53, range 42
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 Working with Range 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 Working with Range Word Problems, Working with Range Techniques, Introducing 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 Working with Range Common Errors?
- Move on to Introducing Range, Range in Context, which build directly on this idea.
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