Perimeter Worksheets

Welcome to the Math Salamanders Perimeter worksheets page.

Here you will find a range of free printable perimeter sheets, which will help your child to learn to work out the perimeters of a range of rectangles and rectilinear shapes.

Perimeter Worksheets

On this webpage you will find our range of worksheets to help your child learn to work out the perimeter of a range of rectangles.

These sheets are graded from easiest to hardest, and each sheet comes complete with answers.

Using these sheets will help your child to:

  • understand what perimeter is;
  • know how to find the perimeter (and area) of a rectangle;
  • know how to find the perimeter (and area) of rectilinear shapes;
  • know how to find the perimeters of regular shapes;
  • know how to work out the side length of a regular shape if we know the perimeter.

What is Perimeter?

  • Perimeter is the distance around the outside of a shape.
  • It is measured as a length and can be in a range of units such as cm, inches, feet, miles, etc.

Perimeter of a Rectangle

  • The perimeter of a rectangle can be found by adding the length of the 2 sides together and doubling the answer.
  • Or Perimeter of a rectangle = (length + width) x 2
  • The perimeter of the rectangle below is (7 + 2) x 2 = 9 x 2 = 18cm

perimeter example

Perimeter Worksheet Area

3rd Grade Perimeter Sheets

free 3rd grade math worksheets perimeter 1 free third grade math perimeter 2 math worksheet 3rd grade perimeter 3

4th Grade Perimeter Sheets

math worksheet 4th grade perimeter 4 perimeter worksheet perimeter 5 perimeter worksheets perimeter 6

5th Grade Perimeter Sheets

math worksheet perimeter 4th grade perimeter 4a printable perimeter worksheets 7

Perimeter of Regular Shapes

Finding the Perimeter of a Regular Shape

Because regular shapes have all sides of equal length, we can easily find the perimeter of a regular shape.

All we need to do is to multiply the number of sides by the length of one side to find the perimeter.

 

Finding the side length of a Regular Shape

If we know the perimeter of a regular shape, we can also easily find the side length.

All we need to do is to divide the perimeter by the number of sides to find the length of one side.

This sheet involves finding the perimeter of regular shapes if we know the side length.

perimeter worksheets regular shapes 1

This sheet involves finding the side length of a regular shape if we know the perimeter.

perimeter worksheets regular shapes 2

Perimeter Challenges

These challenges involve finding the perimeter of shapes by calculating rather than by drawing them out.

worksheets perimeter challenges 1

Area and Perimeter Sheets

Area and Perimeter Sheets 3rd Grade

area worksheets area perimeter 1 free printable math worksheets area perimeter 2

Area and Perimeter Sheets 4rd Grade

math practice worksheets area perimeter 3 math worksheets 4th grade area perimeter 4 perimeter worksheets area perimeter 5

Area and Perimeter Challenges

The aim of these challenges is to get children to apply their knowledge of area and perimeter to solve problems and look for patterns in their results.

area and perimeter challenge 1 area perimeter challenge 2 area perimeter challenge 3

Area Worksheets

Here is our selection of free printable area worksheets for 3rd and 4th grade.

The sheets are all graded in order from easiest to hardest.

Using these sheets will help your child to:

  • work out the areas of a range of rectangles;
  • find the area of rectilinear shapes.

All the sheets in this section support Elementary Math Benchmarks.

area worksheets image

3rd Grade Measurement Worksheets

Here is our selection of measurement worksheets for 3rd graders.

These sheets involve reading scales going up in halves, ones, fives, tens, fifties and hundreds to find the length, weight or liquid capacity.

Using these sheets will help children to consolidate their counting and place value as well as learning to read and estimate using a simple scale.

3rd grade measurement worksheets image

Third Grade Geometry Worksheets

Here is a range of free geometry worksheets for 3rd graders.

Using these sheets will help your child to:

  • recognize and identify a range of 2d and 3d shapes;
  • recognise and identify right angles and lines of symmetry;
  • recognise and identify parallel lines;
  • identify the faces, edges and vertices of 3d shapes;

All the third grade geometry sheets in this section support Elementary math benchmarks.

free printable geometry worksheets image

4th Grade Geometry Worksheets

Here is our selection of 4th grade Geometry worksheets.

Using these sheets will help you to:

  • classify angles - acute, obtuse, right, reflex, straight;
  • classify triangles - acute, obtuse, right;
  • measure angles using a protractor;
  • know that angles in a triangle add up to 180° .

All the sheets in this section support Elementary math benchmarks.

4th grade geometry image
 

How to Print or Save these sheets

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Need help with printing or saving?
Follow these 3 easy steps to get your worksheets printed out perfectly!

How to Print or Save these sheets

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Need help with printing or saving?
Follow these 3 easy steps to get your worksheets printed out perfectly!

 

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