Pythagorean Theorem: Calculating Missing Side Lengths WORKSHEET
Pythagorean Theorem: Calculating Missing Side Lengths WORKSHEET DESCRIPTION
Learners will practice calculating the longest side and a shorter side in right angled triangles with this bumper Pythagoras worksheet.
Firstly, students will work squaring and square rooting numbers and expressions in section A.
Then in section B, there are twelve right angled triangles in different orientations for learners to use Pythagoras’ theorem to calculate the missing lenghts, starting with four questions where they will be calculating a shorter side of the triangle and progressing to a mixture of both. This helps to increase your learners flexibility when working with the formula.
All but three answers are integers to allow you students to focus on applying the formula.
This write - on worksheet has plenty of space for students to methodically write down the formula and show their work each time.
All worksheets are created by the team of experienced teachers at Cazoom Math.

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Frequently Asked Questions
This worksheet is designed specifically for 8th grade students who are learning to apply the Pythagorean theorem in various contexts. The progression from basic squaring and square rooting practice to calculating missing side lengths helps build the foundational skills needed at this grade level. The generous workspace also supports students who are still developing their problem-solving organization skills.



