# Area and Volume

Perimeter and Area

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Slide 1: Slide
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This lesson contains 13 slides, with interactive quizzes, text slides and 2 videos.

Lesson duration is: 50 min

## Items in this lesson

Perimeter and Area

#### Slide 1 -Slide

Perimeter
You can work out the perimeter of a figure by going around the figure and adding up the lengths of the sides.
The perimeter is expressed in units of length such as km, m and cm.

#### Slide 3 -Video

Units of length
km-hm-dam-m-dm-cm-mm

each step to right means multiply by 10
each step to left means divide by 10

#### Slide 4 -Slide

Area
You find the area of a figure by working out how many times a chosen unit of area fits into the figure.

#### Slide 6 -Video

Units of Area

each step to right means multiply by 100
each step to left means divide by 100

km2hm2dam2m2dm2cm2mm2

50m is .....cm
A
50
B
500
C
5000
D
5

#### Slide 8 -Quiz

2500mm is ......dm
A
250000
B
25
C
250
D
25000

15m2=.....cm2
A
150000
B
0.000015
C
1500
D
0.0015

#### Slide 10 -Quiz

Practise exercises
On page 13
ex 11

#### Slide 11 -Slide

Homework
on page 13
ex 12, 13, 14,and 15

Extra Exercises
page 24
ex T-2 and T-3