Free Grade 3 Working with Introducing Range Techniques: Visual Models Flashcards
Free Grade 3 flashcards for Working with Introducing Range Techniques: Visual Models: 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
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with introducing range techniques: visual models
Identify working with introducing range techniques: visual models accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with introducing range techniques: visual models
Explain working with introducing range techniques: visual models accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with introducing range techniques: visual models
Calculate working with introducing range techniques: visual models accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with introducing range techniques: visual models
Compare working with introducing range techniques: visual models 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 Introducing Range Techniques: Visual Models 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 4, 9, 9, 16, 17, find the mean, median, mode and range.[1]
- 2.For the data 1, 3, 7, 13, 14, find the mean, median, mode and range.[1]
- 3.For the data 3, 6, 12, 14, 16, find the mean, median, mode and range.[1]
- 4.For the data 2, 2, 10, 13, 14, find the mean, median, mode and range.[1]
- 5.For the data 4, 10, 32, 35, 36, 39, 39, find the mean, median, mode and range.[2]
- 6.For the data 2, 10, 10, 20, 39, 40, 40, find the mean, median, mode and range.[2]
- 7.For the data 26, 26, 28, 31, 32, 33, 35, find the mean, median, mode and range.[2]
- 8.For the data 1, 2, 9, 15, 30, 31, 38, find the mean, median, mode and range.[2]
- 9.For the data 8, 10, 17, 18, 20, 27, 34, 38, 56, find the mean, median, mode and range.[3]
- 10.For the data 14, 17, 23, 25, 29, 39, 41, 47, 58, find the mean, median, mode and range.[3]
- 11.For the data 4, 6, 14, 16, 36, 39, 40, 48, 56, find the mean, median, mode and range.[3]
- 12.For the data 1, 3, 9, 24, 28, 34, 34, 35, 47, find the mean, median, mode and range.[3]
Show answers and working
1. Mean 11, median 9, mode 9, range 13
Mean = 55 ÷ 5 = 11. Median = middle value in order = 9. Mode = most common = 9. Range = 17 − 4 = 13.
2. Mean 7.6, median 7, mode none, range 13
Mean = 38 ÷ 5 = 7.6. Median = middle value in order = 7. Mode = most common = no repeated value. Range = 14 − 1 = 13.
3. Mean 10.2, median 12, mode none, range 13
Mean = 51 ÷ 5 = 10.2. Median = middle value in order = 12. Mode = most common = no repeated value. Range = 16 − 3 = 13.
4. Mean 8.2, median 10, mode 2, range 12
Mean = 41 ÷ 5 = 8.2. Median = middle value in order = 10. Mode = most common = 2. Range = 14 − 2 = 12.
5. Mean 27.86, median 35, mode 39, range 35
Mean = 195 ÷ 7 = 27.86. Median = middle value in order = 35. Mode = most common = 39. Range = 39 − 4 = 35.
6. Mean 23, median 20, mode 10 and 40, range 38
Mean = 161 ÷ 7 = 23. Median = middle value in order = 20. Mode = most common = 10 and 40. Range = 40 − 2 = 38.
7. Mean 30.14, median 31, mode 26, range 9
Mean = 211 ÷ 7 = 30.14. Median = middle value in order = 31. Mode = most common = 26. Range = 35 − 26 = 9.
8. Mean 18, median 15, mode none, range 37
Mean = 126 ÷ 7 = 18. Median = middle value in order = 15. Mode = most common = no repeated value. Range = 38 − 1 = 37.
9. Mean 25.33, median 20, mode none, range 48
Mean = 228 ÷ 9 = 25.33. Median = middle value in order = 20. Mode = most common = no repeated value. Range = 56 − 8 = 48.
10. Mean 32.56, median 29, mode none, range 44
Mean = 293 ÷ 9 = 32.56. Median = middle value in order = 29. Mode = most common = no repeated value. Range = 58 − 14 = 44.
11. Mean 28.78, median 36, mode none, range 52
Mean = 259 ÷ 9 = 28.78. Median = middle value in order = 36. Mode = most common = no repeated value. Range = 56 − 4 = 52.
12. Mean 23.89, median 28, mode 34, range 46
Mean = 215 ÷ 9 = 23.89. Median = middle value in order = 28. Mode = most common = 34. Range = 47 − 1 = 46.
Worked examples
For the data 5, 13, 18, 18, 20, find the mean, median, mode and range.
- Mean = 74 ÷ 5 = 14.8.
- Median = middle value in order = 18.
- Mode = most common = 18.
- Range = 20 − 5 = 15.
- Answer: Mean 14.8, median 18, mode 18, range 15
For the data 1, 5, 8, 22, 27, 31, 34, find the mean, median, mode and range.
- Mean = 128 ÷ 7 = 18.29.
- Median = middle value in order = 22.
- Mode = most common = no repeated value.
- Range = 34 − 1 = 33.
- Answer: Mean 18.29, median 22, mode none, range 33
For the data 1, 13, 15, 23, 34, 42, 56, 57, 60, find the mean, median, mode and range.
- Mean = 301 ÷ 9 = 33.44.
- Median = middle value in order = 34.
- Mode = most common = no repeated value.
- Range = 60 − 1 = 59.
- Answer: Mean 33.44, median 34, mode none, range 59
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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