Loading please wait

The smart way to improve grades

Comprehensive & curriculum aligned

Try an activity or get started for free

Perimeter: What Does One Side Measure?

In this worksheet, students calculate the length of one side of a regular polygon by first counting the number of sides and then dividing.

'Perimeter: What Does One Side Measure?' worksheet

Key stage:  KS 2

Year:  Year 3 11+ worksheets

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Perimeter and Area

Popular topics:   Area worksheets

Difficulty level:  

Worksheet Overview

This worksheet is about the perimeter of regular 2D shapes. These are polygons whose sides are all equal in length.

The perimeter is the total distance around the outside of a 2D shape. Calculate the perimeter by adding together all the lengths of the sides.

 

Example

What is the length of one side?

Polygon
 
Perimeter: 70 cm

 

Answer

First count the number of sides.

There are 10 in this regular shape (decagon).

If the length of 10 equal sides add to 70 cm, we can divide to find the length of one side.

70 ÷ 10 = 7

 

Each side is 7 cm long.

Remember to put cm in the answer.

What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started
laptop

Popular 11+ topics

Try an activity or get started for free

  • National Tutoring Awards 2023 Shortlisted / Parents
    National Tutoring Awards 2023 Shortlisted
  • Private-Tutoring-WINNER-EducationInvestor-Awards / Parents
    Winner - Private Tutoring
  • Bett Awards Finalist / Parents
    Finalist
  • Winner - Best for Home Learning / Parents
    Winner - Best for Home Learning / Parents