Mean, median and mode worksheet for Pre-Algebra
Mean is the total shared out, median is the middle once the list is in order, mode is the one that repeats, and range is the gap from smallest to largest. With an even count the median is halfway between the two middle values.
Also taught in Algebra 1 and Statistics, each at its own level and with its own examples.
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Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep
Sigma Prep · sigmaprep.io/worksheets Name Mean, Median, Mode and Range Date Period Answer each question.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
Sigma Prep · sigmaprep.io/worksheets Name Mean, Median, Mode and RangeAnswer keyVersion 1 Date Period Answer each question.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
How to do these
Find the median:
- Put them in order: 2, 4, 6, 7, 9.
- The middle one is the third of five.
The answer is .
Where students go wrong
Finding the median without sorting first. The middle of the list as written is not the median unless the list happens to already be in order.
Also called measures of central tendency, average or mean median mode range.
What you can put on this worksheet
- The mean
- Find the mean:
→ - The median
- Find the median:
→ - The mode
- Find the mode:
→ - The range
- Find the range:
→ - Decimal data
- Find the range of these shoe sizes: , , , , , , →
- What removing an outlier does to the mean
- The data set has an outlier. By how much does the mean decrease when the outlier is removed? →
- The mean after a value is added or removed
- The average of a set of numbers is . One of them, , is removed. Find the new mean. →
- A missing value from the mean
- The mean of 4 numbers is 17. Three of them are and . What is the other number? →
- Two modes, or none
- Find the mode: , , , , , , → and
- Mean or median?
- Home prices, in thousands of dollars: , , , , , . Which describes the center better, the mean or the median? → Median: the outlier pulls the mean up
- Mean, median, range and IQR
- Find the mean of the data in the graph. — rainy days: a bar graph of days for jan, feb, mar, apr, may →