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Undeleted > maths > Flashcards

maths Flashcards

1
Q

What are the first the first 10 prime numbers

A

2,3,4,5,7,11,13,27,19,23,29

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2
Q

What does HCF stand for

A

Highest common factor

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3
Q

What does LCM stand for

A

Lowest common multiple

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4
Q

What does range mean?

A

The highest value ➖ the smallest value

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5
Q

What does mode mean?

A

The most common number

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6
Q

When you find the hypotenuse do you add or subtract

A

Add

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7
Q

A half marathon race is won in a time of 1hr 42minutes ,timed to the nearest minute. Find the longest and shortest possible times that the winner could have taken

A

Longest time 1hr 42 minutes 30 seconds. The shortest 1hr 41minutes and 30 seconds

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8
Q

Find maximum and minimum for weight of an egg 64g (nearest g)

A

Maximum➡️64.5g

Minimum ➡️63.5g

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9
Q

Minimum and maximum find them

Amount of liquid 280ml nearest 20ml

A

Maximum➡️290ml

Minimum ➡️270ml

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10
Q

How to find the square area?

A

A=L✖️L

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11
Q

How do you an area of a rectangle?

A

A= L✖️W

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12
Q

How do you find the area of a parallelogram

A

A=B✖️H

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13
Q

How do you find the area of a triangle

A

A=B✖️H
➗
2

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14
Q

A local football pitch has the measurement indicated below. Both of these are measured to the nearest meter. What is the maximum length that the football field pitch can be.
98m
◻️40m

A

98.5m

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15
Q

What is meant by the term equilateral

A

3 equal sides

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16
Q

What is meant by the term isosceles

A

2 equal sides

17
Q

What is meant by the term conquent?

A

Exactly the same

18
Q

In elevations

What is the view from the top is called?

A

The plan

19
Q

What are the views from the front and sides are called

A

the elevations.

20
Q

What is a net?

A

A net is a two-dimensional (2D) representation of a 3D shape.

21
Q

What is a volume

A

A prism is a shape which has a uniform cross-section. The volume of a prism is the area of the cross-section x the length.

22
Q

What is the formula for the volume

A

V=base ✖️height
➗
2
Then ✖️length

23
Q

What is a surface area

A

The surface area is the area of both ends, plus the sum of the areas of the sides.
Basically the faces

24
Q

What is the formula for surface area for a cube

A

6✖️a to the power of 2

25
Q

What is the formula for surface area for a rectangular prism

A

2(L✖️W+W✖️H+H✖️L)

26
Q

Write down an expression for the perimeter of the rectangle marble slab
3x+2
X. ◻️

A

8x+4

27
Q

X-9=2 solve

A

11

28
Q

What percentage is 1
-
5

A

20%

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