Image Source: http://bridge.tm.mbs.ac.uk

In this post we have used Adobe Fireworks to make mini posters of a number of Measurement Formulas for length, area, and volume.

We have not included all shapes, and we have not covered Surface Area. We plan to do these in a future post.

The information presented here is invaluable to students revising Measurement.

Perimeter

Perimeter is the total length around the OUTSIDE of any shape. It is given the special name of “Circumference” when dealing with circular shapes.

Image Source: Passy’s World of Mathematics

Image Source: Passy’s World of Mathematics

Area

The following formulas give the Areas of common shapes such as Squares, Rectangles, Parallelograms, Triangles, Trapeziums, and Circles.

Image Source: Passy’s World of Mathematics

Image Source: Passy’s World of Mathematics

Image Source: Passy’s World of Mathematics

Image Source: Passy’s World of Mathematics

Image Source: Passy’s World of Mathematics

Image Source: Passy’s World of Mathematics

Area of a Rhombus

A Rhombus is a Parallelogram that has all four sides equal. We can work out its area using Base x Height, but we can also work out the same area by multiplying the two internal diagonals together, and dividing by 2.

Image Source: http://www.thefreemathtutor.com

Answers to Rhombus Questions:

Q1. 418 sq cm, 41600 sq mm, 0.0006 sq m.

Q2. 91 sq cm

Q3. (1000×2) / 10 = 200mm.

Q4. (120×2) / 30 = 8m.

Area of a Kite

A Kite is a similar shape to a Rhombus, and its area is obtained by multiplying together its diagonals.

Image Source: http://www.coolmath.com

Summary of Area Formulas

Here is a set of formulas that are used in mathematics for finding areas.

Image Source: http://www.math-videos-online.com

Image Source: http://www.grc.nasa.gov

The following SlideShare Powerpoint contains all of the above formulas as well as Measurement Conversions and Volumes of Prisms.

Click the bottom right hand corner full screen button to view as a presentation.

Related Items

Perimeter

Circumference

Area of Simple Shapes

Area of a Circle

Interesting Circles

Composite Areas

Tall Buildings and Huge Water Dam

My Virtual Home

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This PowerPoint is the same as the one shown in the Slideshare Presentation in this post, but has sharper quality images on it. It can be printed out as slides in color on A4 paper, and then enlarged on a color photocopier to A3 and laminated to create mini wall posters for a Math Classroom.

Enjoy,

Passy

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There is a mistake on circumference. Should it not be Pi x 2R NOT 2Pi x R

Thanks Bronwyn. Yes Circumference was messed up in a rush to add Perimeters in, and it had A = instead of C= as well. I have now fixed it up. Thanks for the suggestion.

Well thankyou to you for doing this and doing it so well. So I have stolen it but added a great PDF with lots of revsion exercises. Feel free to steal.

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