Median, Mode and RangeThree more ways to summarise data, and when each is the right one.6th GradeMedian is the middle value once sorted. Mode is themost common value. Range is largest minussmallest.sort first, always3, 7, 4, 9, 5 → median5Sorted: 3,4,5,7,9. The middle one.4, 6, 8, 10 → median7Even count, so average the middle two.2, 3, 3, 7 → mode3The value appearing most often.2, 3, 3, 7 → range57 − 2. It measures spread, not centre.THE COMMON MISTAKEtaking the middle of the unsorted listsort the values firstThe median is about position in order, so the order has to be right.Data can have no mode, one mode, or several. The median and rangealways exist.Median, Mode and Rangelearnposters.com
Median, Mode and Range — printable math wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Median, Mode and Range poster

The rule, 4 worked examples, and the mistake everyone makes.

Data can have no mode, one mode, or several. The median and range always exist.

Questions about the Median, Mode and Range poster

What’s on the Median, Mode and Range poster?
The rule, 4 worked examples, and the mistake everyone makes. Median is the middle value once sorted. Mode is the most common value. Range is large…; sort first, always; 3, 7, 4, 9, 5 → median = 5; 4, 6, 8, 10 → median = 7; 2, 3, 3, 7 → mode = 3; 2, 3, 3, 7 → range = 5; Common mistake: taking the middle of the unsorted list → sort the values first. Data can have no mode, one mode, or several. The median and range always exist.
Who is the Median, Mode and Range poster for?
Median, Mode and Range is filed under 6th Grade (ages 11–12), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting math, and to the parent or teacher answering the question at the kitchen table.
When should you use the Median, Mode and Range poster?
Sort the numbers first. Half of all median mistakes come from skipping that step. A wall chart earns its place by being glanceable from where the work is happening, so Median, Mode and Range belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
What other posters go with Median, Mode and Range?
The Mean, Absolute Value and Adding Integers sit alongside Median, Mode and Range in the 6th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.The MeanAbsolute ValueAdding Integers
Is the Median, Mode and Range poster free to download and print?
Yes. Median, Mode and Range downloads as a free PDF with no account, no email and no watermark, like everything else in the 6th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Median, Mode and Range poster print at?
Median, Mode and Range is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Median, Mode and Range loses nothing.Printing guide

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