Length..
Week: 8th
Class: Primary 3
Topic: Length
Objectives: At the end of the lesson Pupils should be able to:
1. Find perimeters of regular figures in meters and centimetres by measurement.
2. Identify the perimeter of regular shapes in their environment.
Reference Material: Textbook, charts and pictures
Content:
Length
Calculating the perimeter of plane shapes
A perimeter is the total distance around a shape. The total distance covered by an object is referred to as the perimeter.
The formula for the perimeter is 2(L+B)
L: Length and B: Breadth
Examples
Calculate the perimeter of the following :
1. Length 4cm and breadth 7cm
2. Length 6cm and breadth 4cm
Solutions
1. 2( L+B)
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