Download presentation

Presentation is loading. Please wait.

Published byRicardo Leven Modified over 2 years ago

2
Topic: Compound Areas Learning objectives: Calculate the area of shapes made from rectangles Identify the necessary information to simplify a problem Keywords: Area, Rectangle, Compound shapes Learning objectives: Calculate the area of shapes made from rectangles Identify the necessary information to simplify a problem Keywords: Area, Rectangle, Compound shapes

3
Starter For a given area 24 cm 2 draw as many possible rectangles as you can

4
Starter: Area of shapes made from rectangles How can we find the area of this shape? 7 m 10 m 5 m 15 m A B Area A = 5 × 7 = 35 m 2 Area B = 5 × 15 = 75 m 2 Total area = 35 + 75 = 110 m 2

5
6 cm 2 cm 8 cm 12 cm 4 cm 6 cm 2 cm 8 cm 12 cm 4 cm 24 cm 2 8 cm 2 Area = 24 + 8 + 8 = 40 cm 2 2 cm 16 cm 2 12 cm 2 Area = 16 + 12 + 12 = 40 cm 2

6
5mins For a given area of 100 cm 2 draw a compound shape formed from rectangles

7
Agree or disagree ? 7 m 10 m 5 m 15 m A B a = 7 m Area C = 6 × 7 = 42 m 2 a 3 m b b = 3 m 6 m C

8
Main activity 20 mins Matching cards Questions Matching cards Questions

9
Which area can be represented by 3 + 4 x 2 ? How many different ways could you represent Areas A and B?

10
Find the area of the shape 6cm 8 cm

11
Plenary Is the following statement always, sometimes or never true? If one rectangle has a larger perimeter than another one, then it will also have a larger area Is the following statement always, sometimes or never true? If one rectangle has a larger perimeter than another one, then it will also have a larger area

Similar presentations

OK

{8, 16, 24, 32, …} are the multiples of 8 Common Multiples

{8, 16, 24, 32, …} are the multiples of 8 Common Multiples

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on regional trade agreements japan Ppt on south african culture and traditions Electroluminescent display ppt online Production in the short run ppt on tv Ppt on steps to scan Ppt on seven segment display diagram Ppt on l&t finance share price Ppt on types of life insurance Ppt on nature and human quotes Ppt on computer vs books