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;

All the free Math sheets in this section follow the Elementary Math Benchmarks for Grades 3 and 4.

• 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

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.

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.

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.

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.

The Math Salamanders hope you enjoy using these free printable Math worksheets and all our other Math games and resources.

We welcome any comments about our site or worksheets on the Facebook comments box at the bottom of every page.