Free Grade 3 Introduction to Introducing Range Essentials Flashcards
Free Grade 3 flashcards for Introduction to Introducing Range Essentials: 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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20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introduction to introducing range essentials
Identify introduction to introducing range essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introduction to introducing range essentials
Explain introduction to introducing range essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introduction to introducing range essentials
Calculate introduction to introducing range essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introduction to introducing range essentials
Compare introduction to introducing range essentials 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 Introduction to Introducing Range Essentials 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 7, 10, 10, 15, 18, find the mean, median, mode and range.[1]
- 2.For the data 4, 5, 6, 8, 16, find the mean, median, mode and range.[1]
- 3.For the data 5, 8, 17, 19, 20, find the mean, median, mode and range.[1]
- 4.For the data 5, 9, 13, 18, 19, find the mean, median, mode and range.[1]
- 5.For the data 6, 8, 12, 20, 29, 39, 40, find the mean, median, mode and range.[2]
- 6.For the data 2, 6, 12, 14, 18, 18, 26, find the mean, median, mode and range.[2]
- 7.For the data 14, 21, 22, 25, 27, 37, 38, find the mean, median, mode and range.[2]
- 8.For the data 6, 9, 13, 14, 29, 30, 37, find the mean, median, mode and range.[2]
- 9.For the data 8, 16, 18, 19, 22, 25, 43, 46, 52, find the mean, median, mode and range.[3]
- 10.For the data 1, 6, 29, 30, 31, 31, 53, 55, 55, find the mean, median, mode and range.[3]
- 11.For the data 6, 11, 17, 25, 27, 32, 35, 52, 54, find the mean, median, mode and range.[3]
- 12.For the data 4, 7, 11, 14, 23, 47, 48, 57, 59, find the mean, median, mode and range.[3]
Show answers and working
1. Mean 12, median 10, mode 10, range 11
Mean = 60 ÷ 5 = 12. Median = middle value in order = 10. Mode = most common = 10. Range = 18 − 7 = 11.
2. Mean 7.8, median 6, mode none, range 12
Mean = 39 ÷ 5 = 7.8. Median = middle value in order = 6. Mode = most common = no repeated value. Range = 16 − 4 = 12.
3. Mean 13.8, median 17, mode none, range 15
Mean = 69 ÷ 5 = 13.8. Median = middle value in order = 17. Mode = most common = no repeated value. Range = 20 − 5 = 15.
4. Mean 12.8, median 13, mode none, range 14
Mean = 64 ÷ 5 = 12.8. Median = middle value in order = 13. Mode = most common = no repeated value. Range = 19 − 5 = 14.
5. Mean 22, median 20, mode none, range 34
Mean = 154 ÷ 7 = 22. Median = middle value in order = 20. Mode = most common = no repeated value. Range = 40 − 6 = 34.
6. Mean 13.71, median 14, mode 18, range 24
Mean = 96 ÷ 7 = 13.71. Median = middle value in order = 14. Mode = most common = 18. Range = 26 − 2 = 24.
7. Mean 26.29, median 25, mode none, range 24
Mean = 184 ÷ 7 = 26.29. Median = middle value in order = 25. Mode = most common = no repeated value. Range = 38 − 14 = 24.
8. Mean 19.71, median 14, mode none, range 31
Mean = 138 ÷ 7 = 19.71. Median = middle value in order = 14. Mode = most common = no repeated value. Range = 37 − 6 = 31.
9. Mean 27.67, median 22, mode none, range 44
Mean = 249 ÷ 9 = 27.67. Median = middle value in order = 22. Mode = most common = no repeated value. Range = 52 − 8 = 44.
10. Mean 32.33, median 31, mode 31 and 55, range 54
Mean = 291 ÷ 9 = 32.33. Median = middle value in order = 31. Mode = most common = 31 and 55. Range = 55 − 1 = 54.
11. Mean 28.78, median 27, mode none, range 48
Mean = 259 ÷ 9 = 28.78. Median = middle value in order = 27. Mode = most common = no repeated value. Range = 54 − 6 = 48.
12. Mean 30, median 23, mode none, range 55
Mean = 270 ÷ 9 = 30. Median = middle value in order = 23. Mode = most common = no repeated value. Range = 59 − 4 = 55.
Worked examples
For the data 3, 6, 7, 9, 18, find the mean, median, mode and range.
- Mean = 43 ÷ 5 = 8.6.
- Median = middle value in order = 7.
- Mode = most common = no repeated value.
- Range = 18 − 3 = 15.
- Answer: Mean 8.6, median 7, mode none, range 15
For the data 1, 7, 10, 16, 18, 20, 23, find the mean, median, mode and range.
- Mean = 95 ÷ 7 = 13.57.
- Median = middle value in order = 16.
- Mode = most common = no repeated value.
- Range = 23 − 1 = 22.
- Answer: Mean 13.57, median 16, mode none, range 22
For the data 8, 8, 16, 16, 20, 22, 31, 35, 59, find the mean, median, mode and range.
- Mean = 215 ÷ 9 = 23.89.
- Median = middle value in order = 20.
- Mode = most common = 8 and 16.
- Range = 59 − 8 = 51.
- Answer: Mean 23.89, median 20, mode 8 and 16, range 51
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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