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Algebraic Perimeters

Questions about the perimeters and areas of polygons given as algebraic expressions.

Level 1 Level 2 Level 3 Level 4 Exam-Style Description Help More Algebra

This is level 2: forming and solving equations from the details of the perimeters of basic shapes. The diagrams are not drawn to scale.

DiagramFind an expression, in its simplest form, for the perimeter of this triangle.

Correct Wrong

Find the value of c if the perimeter of the triangle is equal to 23 units.

Correct Wrong

DiagramFind an expression, in its simplest form, for the perimeter of this triangle.

Correct Wrong

Find the value of d if the perimeter of the triangle is equal to 27 units.

Correct Wrong

DiagramFind an expression, in its simplest form, for the perimeter of this pentagon.

Correct Wrong

Find the value of s if the perimeter of the pentagon is equal to 28 units.

Correct Wrong

DiagramFind an expression, in its simplest form, for the perimeter of this rectangle.

Correct Wrong

Find the value of y if the perimeter of the rectangle is equal to 94 units.

Correct Wrong

DiagramFind an expression, in its simplest form, for the perimeter of this pentagon.

Correct Wrong

Find the value of m if the perimeter of the pentagon is equal to 419 units.

Correct Wrong
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This is Algebraic Perimeters level 2. You can also try:
Level 1 Level 3 Level 4

Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

Why am I learning this?

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© Transum Mathematics :: This activity can be found online at:
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Description of Levels

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Level 1 - Simplifying the expressions for the perimeters of basic shapes

Level 2 - Forming and Solving equations from the details of the perimeters of basic shapes

Level 3 - Mixed questions involving the perimeters of polygons

Level 4 - Challenging questions involving the perimeters and areas of shapes

Exam Style Questions - Some problems in the style of GCSE exam paper questions (worked solutions are available for Transum subscribers).

More Algebra including lesson Starters, visual aids, investigations and self-marking exercises.

Area Maze - While not exactly the same topic this exercise is too good to miss.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

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Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

Help

The video above is from the excellent Corbettmaths.

Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can double-click the 'Check' button to make it float at the bottom of your screen.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

Log in Sign up

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