Volume

Сентябрь 14, 2022

Содержание

2. LENGTH Length is measured in mm, cm, m or km. 1cm
3. AREA Area is measured in mm2 , cm2, m2 or km2 3cm 8cm Area = length
4. VOLUME Volume is measured in mm3, cm3, m3 or km3 Volume = length x width x
5. FIND THE VOLUME OF THESE CUBOIDS 6cm 3cm 2cm 10cm 4cm 2cm V = l x
6. FIND THE VOLUME OF THESE SHAPES 5cm 5cm 4cm 5cm 8cm 2cm V = l x
7. WHAT COULD BE THE MEASUREMENTS OF THIS CUBOID? The length, width and height of a cuboid
8. WHAT COULD BE THE MEASUREMENTS OF THIS CUBOID? The length, width and height of a cuboid
9. FIND THE MISSING LENGTHS 2cm 2cm ?cm Volume =36cm3 5cm 2cm ?cm V = l x
10. FIND THE MISSING LENGTHS 5cm 4cm ?cm 9cm 2cm ?cm V = l x w x
11. FIND THE EDGE A cube has a volume of 64cm3. What is the length of one
12. FIND THE EDGE A cube has a volume of 125cm3 What is the length of one
13. FIND THE VOLUME From the areas of the faces, work out the length, width & height.
14. FIND THE VOLUME From the areas of the faces, work out the length, width & height.
15. FINDING THE VOLUME OF COMPOUND SHAPES. Split up the shape first. 10cm 6cm 9cm 4cm 4cm
16. FIND THE VOLUME OF THIS SHAPE. 12cm 7cm 8cm 3cm 8cm
17. FIND THE VOLUME OF THIS SHAPE. 3cm 8cm 2cm 15cm 4cm 6cm 3cm
18. FINDING THE VOLUME OF IRREGULAR SHAPES. Part fill a measuring cylinder. Measure the water. Lower object
19. FIND THE VOLUME OF THIS IRREGULAR SHAPE. 50cm3 83cm3 Volume = 83 – 50 = 33cm3
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Слайд 2

LENGTH
Length is measured in mm, cm, m or km.
1cm

Слайд 3

AREA
Area is measured in mm2 , cm2, m2 or km2
3cm
8cm
Area =

length x width
Area = 8 x 3 = 24 cm2

1cm

1cm

1cm2

Слайд 4

VOLUME
Volume is measured in mm3, cm3, m3 or km3
Volume = length

x width x height
Volume = 4 x 4 x 4 = 64cm3

4cm

4cm

4cm

1cm

1cm

1cm

1cm3

Слайд 5

FIND THE VOLUME OF THESE CUBOIDS
6cm
3cm
2cm
10cm
4cm
2cm
V = l x w x

h
V = 6 x 3 x 2 = 36cm3

V = l x w x h
V = 10 x 4 x 2 = 80cm3

Слайд 6

FIND THE VOLUME OF THESE SHAPES
5cm
5cm
4cm
5cm
8cm
2cm
V = l x w x

h
V = 5 x 4 x 5 = 100cm3

V = l x w x h
V = 8 x 2 x 5 = 80cm3

Слайд 7

WHAT COULD BE THE MEASUREMENTS OF THIS CUBOID?
The length, width and

height of a cuboid are all whole numbers of cm. Its volume is 48cm3. How many different sets of dimensions can you find?

Слайд 8

WHAT COULD BE THE MEASUREMENTS OF THIS CUBOID?
The length, width and

height of a cuboid are all whole numbers of cm. Its volume is 72cm3. How many different sets of dimensions can you find?

Слайд 9

FIND THE MISSING LENGTHS
2cm
2cm
?cm
Volume =36cm3
5cm
2cm
?cm
V = l x w x h
36=

l x 2 x 2
36 = l x 4
l =9cm

V = l x w x h
70 = l x 2 x 5
70 = l x 10
l = 7cm

Volume =70cm3

Слайд 10

FIND THE MISSING LENGTHS
5cm
4cm
?cm
9cm
2cm
?cm
V = l x w x h
140= l

x 5 x 4
140 = l x 20
l =7cm

V = l x w x h
72 = l x 2 x 9
72 = l x 18
l = 4cm

Volume =72cm3

Volume =140cm3

Слайд 11

FIND THE EDGE
A cube has a volume of 64cm3.
What is the

length of one edge?

4cm
(4 x 4 x 4=64)

Слайд 12

FIND THE EDGE
A cube has a volume of 125cm3
What is the

length of one edge?

5cm
(5 x 5x 5=125)

Слайд 13

FIND THE VOLUME
From the areas of the faces, work out the

length, width & height.
Then calculate the volume.

30cm2

20cm2

6cm2

10 x 3 x 2 = 60cm3

Слайд 14

FIND THE VOLUME
From the areas of the faces, work out the

length, width & height.
Then calculate the volume.

8 x 5 x 4 = 160cm3

20cm2

40cm2

32cm2

Слайд 15

FINDING THE VOLUME OF COMPOUND SHAPES.
Split up the shape first.
10cm
6cm
9cm
4cm
4cm

Слайд 16

FIND THE VOLUME OF THIS SHAPE.
12cm
7cm
8cm
3cm
8cm

Слайд 17

FIND THE VOLUME OF THIS SHAPE.
3cm
8cm
2cm
15cm
4cm
6cm
3cm

Слайд 18

FINDING THE VOLUME OF IRREGULAR SHAPES.
Part fill a measuring cylinder.
Measure the

water.
Lower object into the water
Measure new level.
Volume = 70 – 50 = 20cm3

50cm3

70cm3

Слайд 19

FIND THE VOLUME OF THIS IRREGULAR SHAPE.
50cm3
83cm3
Volume = 83 – 50

= 33cm3