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Year 7 > For Assessment 2 > Flashcards

For Assessment 2 Flashcards

1
Q

What is a face?

A

A surface on a 3D shape

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2
Q

What is an edge?

A

Where two faces meet on a 3D shape

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3
Q

What is a vertex / vertice?

A

A corner

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4
Q

What do we put on lines to show they are parallel?

A

Arrows

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5
Q

What does parallel mean?

A

Lines that will never meet

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6
Q

What does perpendicular mean?

A

Lines that meet at a right angle

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7
Q

What is a polygon?

A

A shape made up of straight sides

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8
Q

What is a regular polygon?

A

A shape with equal sides and angles

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9
Q

What is symmetry?

A

Where a shape is the same on both sides of the line of symmetry

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10
Q

What is rotational symmetry?

A

How many times a shape can fit into itself when rotated one full turn

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11
Q

What is an equilateral triangle?

A

All sides and angles the same

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12
Q

What is an isosceles triangle?

A

Two sides and angles the same

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13
Q

What is a scalene triangle?

A

All sides and angles different

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14
Q

What do angles in a triangle add to?

A

180 degrees

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15
Q

What do angles in a quadrilateral add to?

A

360 degrees

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16
Q

What do angles on a straight line add to?

A

180

17
Q

What do you know about opposite angles?

A

They are equal

18
Q

How do you work out the angle sum in a polygon?

A

You subtract 2 from the number of sides and multiply by 180

19
Q

What does 2a mean?

A

2 x a

20
Q

What does a / 2 mean?

A

a divided by 2

21
Q

What is a + a + a?

A

3a

22
Q

What is a x a x a?

A

a cubed

23
Q

What would 3(x + 2) expand to?

A

3x + 6

24
Q

When given a percentage what can you put it over as a fraction e.g. 71%?

A

Over 100 so 71 / 100

25
Q

What would 4:10 simplify to?

A

2:5

26
Q

What can you draw to help you share in a ratio?

A

Boxes

Year 7 (2 decks)

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