mensuration 3 (volume of a cuboid)

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Page 1: Mensuration 3 (Volume of a Cuboid)

Click once only to startIn addition to the demos/free presentations in this area there are at least 8 complete (and FREE) presentations waiting for download under the My Account button. Simply register to download immediately.

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Page 2: Mensuration 3 (Volume of a Cuboid)

Units of areamm2

cm2

m2

km2

inches2

feet2

yards2

miles2

Metric

Imperial

1 cm2

1 cm1 cm

Units of volume

mm3

cm3

m3

km3

inches3

feet3

yards3

miles3

Metric

Imperial

1 cm1

cm

1 cm

1 cm3

5 cm

4 cm

Remember: the area of a shape is a measure of the surface/space contained within its perimeter.

2DThe volume of a shape is a measure of the space contained within its faces/boundary.

3DVolume of a Cuboid

Front face20 cm2

Page 3: Mensuration 3 (Volume of a Cuboid)

Volume

3cm

Units of areamm2

cm2

m2

km2

inches2

feet2

yards2

miles2

Metric

Imperial

1 cm2

1 cm1 cm

Units of volume

mm3

cm3

m3

km3

inches3

feet3

yards3

miles3

Metric

Imperial

1 cm1

cm

1 cm

1 cm3

5 cm

4 cm 60 cm3

Volume = 4 cm x 5 cm x 3 cm = 60 cm3

20 cm340

cm3

Volume of a CuboidRemember: the

area of a shape is a measure of the surface/space contained within its perimeter.

2DThe volume of a shape is a measure of the space contained within its faces/boundary.

3D

Page 4: Mensuration 3 (Volume of a Cuboid)

2 cm

3 mm3 mm

4 mm

7 cm6 cm

9 ft

4 ft6 ft

Volume of Cuboids

Volume = 4 mm x 3 mm x 3 mm = 36 mm3

Volume = 2 cm x 7 cm x 6 cm = 84 cm3

36 mm3

36 mm3

84 cm3 84 cm3

Volume = 9 ft x 4 ft x 6 ft = 216 ft3

216 ft3

216 ft3

Volume l x w x h

? yards3

Page 5: Mensuration 3 (Volume of a Cuboid)

Volume = 2 x 8 x 4 = 64 m3

Volume = 2 x 3 x 5 = 30 cm3

Volume = 5 x 5 x 5 = 125 cm3

Volume of a Cuboid

8 m

4 m2 m

Find the volume of the following cuboids.

Diagrams not to scale.

3 cm

2 cm 5 cm 5 cm

5 cm

5 cm

1

23

Page 6: Mensuration 3 (Volume of a Cuboid)

Volume of a Cuboid

9.6 mm

5 mm2.3

mm

Find the volume of the following cuboids (to 1 dp)

Diagrams not to scale.

12 cm

8.1 cm

1.3 cm

3.1 cm

1

2 3

3.1 cm

3.1 cm

Volume = 2.3 x 9.6 x 5 = 110.4 mm3

Volume = 1.3 x 12 x 8.1 = 126.4 cm3

Volume = 3.1 x 3.1 x 3.1 = 29.8 cm3

Page 7: Mensuration 3 (Volume of a Cuboid)

Volume of Objects

21 cm13

cm

3 cm

6 cm6 cm 6 cm

1.8 m

1.1 m

1.3 m

Volume = 3 cm x 13 cm x 21 cm = 819 cm3

Volume = 63 = 216 cm3

Volume = 1.3 m x 1.8 m x 1.1m = 2.574m3

Page 8: Mensuration 3 (Volume of a Cuboid)

8 cm

8 cm

8 cm

12 cm

5 cm 2 cm

3 cm

Not to scale

Volume of Compound Shapes

512 cm3

288 cm3

80 cm3

Volume = 512 + 288 + 80 = 880 cm3

Volume = 83 = 512 cm3

Volume = 12 x 3 x 8= 288 cm3

Volume = 5 x 2 x 8= 80 cm3

Page 9: Mensuration 3 (Volume of a Cuboid)

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57 2

1

64 3210

188

4

9

24

146

16Stand SW 100