Maths dictionary
What is the mean in maths?
The mean is the average found by adding all the values and dividing by how many there are.
Definition
The mean is the average found by adding all the values and dividing by how many there are.
Example
The mean of 4, 8, 12 and 16 is 40 รท 4 = 10.
Tip
The mean is a fair share: what each value would be if the total were shared equally.
Practise it
- Learn it visually: Averages and the Mean (interactive lesson)
- Worksheets: Mean, median and mode (Grade 5)
- Online maths practice
Quick check: try these
Work each one out on paper, then tap the question to see the answer.
Find the median of 19, 9, 20, 29, 23:
Answer: 20
Find the median of 14, 7, 7, 29, 22:
Answer: 14
Find the median of 1, 12, 1, 25, 14:
Answer: 12
Find the median of 8, 9, 29, 30, 17:
Answer: 17
Learn it in depth
Mean is part of Mean, Median and Mode for Class 7: notes, formulas, solved examples with every step, common mistakes and ten practice questions with answers. Want a teacher to go through it with you? See Class 7 maths tuition.
Related words
FAQ
Mean: questions
What is the mean in maths?
The mean is the average found by adding all the values and dividing by how many there are. The mean of 4, 8, 12 and 16 is 40 รท 4 = 10.
What is a common mistake with mean?
The mean is a fair share: what each value would be if the total were shared equally.
Where do students learn mean?
Mean, Median and Mode is usually taught in Class 7, and the ideas come back in later classes. Chapter names and order differ by board and textbook, so follow your own textbook. We have a full page with notes, solved examples and practice questions.
Play it, don't just read it
Try it now: Profit and loss
Eight quick questions with instant feedback. Your score is saved on this device and counts in the games and learning paths too.
Profit and loss (Grade 7): Finding profit or loss as a percentage of the cost price, and the selling price after a gain or loss. Open the practice page or print a worksheet.
Or play a game
- Percent PowerPractise finding percentages of amounts and understanding percentageโฆPlay
- Data DetectiveUse mean, median and mode to describe a set of data and compare whatโฆPlay
- CorrelationTighten a cloud of dots and see what r means.Play