Miss Gittins' Shop!
4.461111111111112112 reviews

I have been a Maths teacher for five years and love to make colourful and innovative resources that have a range of activities to keep your classes motivated and loving Maths!

Last updated

4 May 2019

Lessons on how to find and prove shapes are similar, with their areas and volumes! And how to find missing lengths, areas and volumes.

I used these lessons with a middle ability year 10 class, but can be mixed about for any ability or age.

All lessons include:
5 a day starter,
animated, simple examples,
plenary

Lesson 1:
Similar shapes.
Explains the definition of similar shapes and how to prove they are similar by finding all angles and sides are the same. Examples of how to find an use scale factor to prove this. Independent questions for students to work on with an exam style question for extension work.
I have also included some extra slides I did not get round to using on how to use ratio to find missing sides and name the shape game to finish off the lesson.

Lesson 2:
Finding area of similar shapes.
Clear, simple, animated examples on how to use linear scale factor to find area scale factor and therefore missing areas of similar shapes. Worksheet included for students to work on individually, as well as questions which can be displayed on the board.

Lesson 3:
Finding volume of similar shapes.
Extension from last lesson, using the linear scale factor to find the scale factor used for volume of similar shapes. Clear, simple, animated examples with worksheets for students to complete, as well as questions which can be displayed on the board.
Includes extension on working backwards to find the linear scale factors from area and volume scale factor, and extra extension activities which I did not get round to using myself.

Hope some of you find this helpful and it saves you some time and stress! If you like my resources or think there is something more I can do to make them better, please comment and rate!
Thank you =]]!

### Review

5

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#### StewartLiles

3 years ago
5

Excellent value as good examples given EBI area worksheet was area only without volume in the mix.

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