PPT: Perimeter and Area

# Perimeter and Area Class 4 PPT

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``` Page 2

The distance
around the
outside of a
shape is called
its perimeter.
8 cm
6 cm
8 cm
6 cm
The perimeter of the shape is 8 + 6 + 8 + 6 = 28cm.
First we need to find the length of each side by
counting the squares.
( Each box stands for 1 cm)
Page 3

The distance
around the
outside of a
shape is called
its perimeter.
8 cm
6 cm
8 cm
6 cm
The perimeter of the shape is 8 + 6 + 8 + 6 = 28cm.
First we need to find the length of each side by
counting the squares.
( Each box stands for 1 cm)
What is the
perimeter  of each
of these shapes?
20 cm
18cm
20 cm
22 cm
26cm
Page 4

The distance
around the
outside of a
shape is called
its perimeter.
8 cm
6 cm
8 cm
6 cm
The perimeter of the shape is 8 + 6 + 8 + 6 = 28cm.
First we need to find the length of each side by
counting the squares.
( Each box stands for 1 cm)
What is the
perimeter  of each
of these shapes?
20 cm
18cm
20 cm
22 cm
26cm
Now find the
perimeter of these
shapes. They are
not drawn to
scale.
3cm
3cm
3cm
3cm
3cm
3cm
5cm
7cm 7cm
3cm
4cm 4cm
4cm 4cm
3cm 3cm
3cm
3cm
Perimeter = 18cm Perimeter = 22cm Perimeter = 28cm
Page 5

The distance
around the
outside of a
shape is called
its perimeter.
8 cm
6 cm
8 cm
6 cm
The perimeter of the shape is 8 + 6 + 8 + 6 = 28cm.
First we need to find the length of each side by
counting the squares.
( Each box stands for 1 cm)
What is the
perimeter  of each
of these shapes?
20 cm
18cm
20 cm
22 cm
26cm
Now find the
perimeter of these
shapes. They are
not drawn to
scale.
3cm
3cm
3cm
3cm
3cm
3cm
5cm
7cm 7cm
3cm
4cm 4cm
4cm 4cm
3cm 3cm
3cm
3cm
Perimeter = 18cm Perimeter = 22cm Perimeter = 28cm
The area of a
shape is the
amount of space
inside it.
The area of the shape is 18cm
2
.
To find out how much shape is inside we can
count the squares.
```

## Mathematics (Maths) Class 7

76 videos|345 docs|39 tests

## Mathematics (Maths) Class 7

76 videos|345 docs|39 tests

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