After this lesson, the learner should be able to:

- Define the word perimeter
- Measure the sides of an object using a ruler
- Add the sides together to calculate the perimeter
- Work out the perimeters of various shapes with different numbers of sides
- Determine the perimeter of a given regular shape on a grid
- Determine the perimeter of a given irregular shape on a grid

## Subscribe to Grade 4

R100 per month

This includes all subjects

## Subscribe to Grade 4 > Mathematics

R60 per month

60 lessons in Mathematics