# Unit 6: Length, Perimeter, and Area

Length
Measure length, height, and distance using non-standard units such as thumbs and paces
Measure length, height and distance using standard units such as centimetres and metres
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Slide 1: Slide
MathematicsPrimary Education

This lesson contains 11 slides, with text slides and 2 videos.

## Items in this lesson

Length
Measure length, height, and distance using non-standard units such as thumbs and paces
Measure length, height and distance using standard units such as centimetres and metres

#### Slide 1 -Slide

What is length?
Length is the term used for identifying the size of an object or distance from one point to Length is a measure of how long an object is or the distance between two points. It is used for identifying the size of an object or distance from one point to another. The length of an object is its extended dimension, that is, its longest side.

#### Slide 2 -Slide

For example, the length of the ruler in the picture is 15 cm.

#### Slide 3 -Slide

Perimeter and area
Measure perimeters using non-standard units
Measure areas using non standard units
Describe the relationship between the size of a unit of area and the number of units needed to cover a surface

#### Slide 4 -Slide

What is perimeter ?
The perimeter of a shape is the distance around the shape. It is the total length of the shape's sides.

#### Slide 6 -Video

What is area?
Area is the amount of space covered by a flat shape or surface. We use area for flat spaces only. The cover of a book is flat. The front of a closet door is flat.

#### Slide 8 -Video

Area
Inside a polygon
Length x width
Count the square units
Operation x

#### Slide 9 -Slide

Perimeter
Outside a polygon