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Finding the Missing Length From the Perimeter WORKSHEET

Suitable for Year groups: Year 4, Year 5
Learning objective: Finding a missing length from a given perimeter

Finding the Missing Length From the Perimeter WORKSHEET DESCRIPTION

This worksheet extends learners' knowledge of perimeter by challenging them to apply their knowledge to find missing lengths in triangles, rectangles and other rectilinear shapes when given the perimeter.
Students begin with triangles in section A and will progressively tackle more complex problems.
In section B learners will find missing lengths in rectangles when one dimension is given along with the perimeter.

Your learner's problem solving ability will be tested in section C as learners are challenged to calculate the missing lengths of irregular hexagons and two irregular octagons. These problems require students to be able to calculate missing lengths in rectilinear shapes.

All worksheets are created by the team of experienced teachers at Cazoom Maths.

Frequently Asked Questions

This worksheet is designed for Year 4 and Year 5 pupils who are developing their understanding of perimeter. The progressive structure means it can support learners at different stages, with the simpler triangle problems accessible to Year 4 students, whilst the more complex irregular polygons provide appropriate challenge for Year 5.