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Maths > Volume > Flashcards

Volume Flashcards

1
Q

What is volume?

A

The amount of space taken up by a 3D object

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2
Q

What units do we usually use to measure volume?

A

Centimetres cubed (cm3) or metres cubed (m3)

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3
Q

What is the mathematical name of the 3D shape below?

A

A sphere

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4
Q

What are faces , edges, and vertices?

A

A face is a flat surface of a 3D object

An edge is where two surfaces meet

Vertices are the corners of a 3D object

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5
Q

What is the mathematical name of the 3D shape below?

A

A cuboid

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6
Q

What is the mathematical name of the 3D shape below?

A

A Cube. A cube is a special type of cuboid where its width, length and height are all the same.

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7
Q

What is the mathematical name for the 3D shape below?

A

A Cylinder

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8
Q

What is the mathematical name for the 3D shape below?

A

A triangular prism

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9
Q

What is the mathematical name of the 3D shape below?

A

A cone

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10
Q

What is the mathematical name of the 3D shape below?

A

A hexagonal prism

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11
Q

What is the formula for finding the volume of a cuboid?

A

Length times by width times by height ( l x w x h )

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12
Q

What is the formula for finding the volume of a cube?

A

Length x Length x Length or Length cubed ( l3)

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13
Q

What is cross sectional area?

A

Cross sectional area is the area of a thin slice of an obejct.

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14
Q

What is a prism?

A

A 3D shape that has the same cross sectional area all the way through the shape.

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15
Q

What is the formula for the volume of a prism?

A

Cross sectional area times by length

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16
Q

If you have a cube of side length 3cm, what will its volume be?

A

27cm3

17
Q

If a cuboid has length of 4cm, width of 3cm and height of 2cm, what is its volume?

A

24cm3

18
Q

If a cube has a volume of 8cm3, what is the length of one of its sides?

A

2cm

19
Q

How many faces, edges and vertices does a cube have?

A

6 faces, 12 edges, 8 vertices

20
Q

What is surface area?

A

The combined area of all of a 3D objects surfaces

21
Q

What is the surface area of this cube?

A

There are 6 faces

Each face is 4cm2

6 x 4cm2 = 24cm2

22
Q

What is the surface area of the cuboid below?

A

Cuboid has 6 faces

2 faces of 7cm x 6cm

2 faces of 6cm x 2cm

2 faces of 7cm x 2cm

All six faces add to 136cm2

Maths (18 decks)

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