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Calculate quartiles and interquartile range

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Calculate quartiles and interquartile range — free printable Algebra 1 math worksheet

This worksheet provides challenging practice problems on calculating quartiles and the interquartile range for high school Algebra 1 students. Teachers can use it to reinforce concepts related to single-variable statistics and data analysis. It supports skill development in understanding data spread and identifying outliers through quartile calculations.

Learning objectives

  • Calculate the first, second, and third quartiles from a given data set.
  • Determine the interquartile range (IQR) to measure data dispersion.
  • Interpret quartiles and IQR to analyze statistical data distributions.

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for High School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

Answer Key

Answer key for Calculate quartiles and interquartile range — free printable Math worksheet

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