Box and Whisker Plots — Interactive Lesson (Ages 14–16)

Can your students read a box plot at a glance? This 29-slide interactive lesson teaches box and whisker plots from the five-number summary to reading and comparing them.

Mastering Box and Whisker Plots at GCSE

Students learn what a box and whisker plot is and identify its five key values, then calculate the five-number summary: the minimum, lower quartile, median, upper quartile and maximum. They are shown that ordering the data first is the most important step before finding any quartiles, since the median splits the data in half and the lower quartile splits the lower half. They then read a box plot, matching each part of the diagram to its value in the five-number summary.

What’s Included

• 29-slide interactive lesson on box and whisker plots
• Learning objectives on identifying key values and calculating the five-number summary
• Step-by-step method for ordering data and finding quartiles
• Practice reading and interpreting a box plot
• Sorting and fill-in-the-blank activities with instant feedback

Key Benefits for Students

• Builds a clear, ordered method for finding quartiles
• Links each part of the diagram to its value
• Reinforces why ordering data matters
• Instant feedback on answer questions

Why Teachers Love It

• No prep — ready for whole-class teaching on an interactive whiteboard
• A long, structured lesson that can be split across sessions
• Self-marking questions support independent practice
• Suits teaching, revision and homework
• A dependable lesson for a topic that regularly appears on exams

Love this? You’ll love…

• Calculating Averages from Frequency Tables — Interactive Lesson (Ages 14–16)
• Calculating Averages from a List — Interactive Lesson (Ages 14–16)
• Cumulative Frequency — Interactive Lesson (Ages 14–16)

A dependable addition to a GCSE statistics topic, giving students a clear route from raw data to a finished box plot. Confidence here supports comparing distributions and interpreting spread.

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FAQs

What year group is this for?
Years 10–11 (ages 14–16), GCSE.

Does it cover the interquartile range?
Yes — as part of the five-number summary.

Is it self-marking?
Yes, with instant feedback on the questions.