Year 8 Yearlyz Flashcards

1
Q

What is P x 6

A

6p

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2
Q

What is t plus t plus t plus t plus t

A

5t

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3
Q

What is 6 x y x y

A

6y with a little 2

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4
Q

Write cd in an expanded form

A

C x D

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5
Q

X=5
Y=-2
Evaluate the expression

X plus y

A

3

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6
Q

X=5
Y=-2
Evaluate the expression

6x divide by y

A

-15

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7
Q

5k + 7k

A

12k

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8
Q

13m - 3m + 8m

A

18m

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9
Q

7x + 3y +3x + 7y

A

10x + 10y

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10
Q

5 x 2x

A

10x

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11
Q

4 x 2W x 4W

A

32W with a little 2

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12
Q

50x divide by 2

A

25x

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13
Q

15p
_
3p

A

5

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14
Q

How do you factorise expressions?

A

Find the HCF of all terms and write it outside the brackets
Divide each term by HCF, write them inside the brackets
For examlple
2x + 6
2(X + 3)

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15
Q

1cm =

A

10mm

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16
Q

1cm with little 2=

A

1cm x 1cm

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17
Q

1m =

A

100cm

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18
Q

1m with a little 2=

A

1m x 1m

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19
Q

1 ha=

A

100m x 100m

20
Q

1km =

21
Q

1km with a little 2=

22
Q

How to find the area of a triangle

A

Base x high divide by 2

23
Q

How to find the area of a parallelogram

A

Base x height

24
Q

How to find the area of a trapezium

A

Plus the parrel sides. Then x that by the height. Then divide it by 2

25
How to find the area of a kite and rhombus
X height by side then half it.
26
What is the arc of a circle
It's a part of the circle
27
What is the sector of a circle
A pizza slice of a circle cut along the radius
28
What is the quadrant of a circle
A quarter of the circle that is 90 degrees
29
What is the chord of a circle
A line joining any 2 parts of a circle
30
What is a segment of the circle
A region cut off by a chord
31
What is a tangent of a circle
A line outside the circle that just touches the circle
32
What is categorical data?
It's data that involves words or categories
33
What is numerical data
It is dats that involves numbers
34
What is discrete data
It is numbers that can only be whole numbers no 3.5 only 3 or 4
35
What is continuous data
It is data that can have inbetweens such as 3.5 and 3.54
36
How to find the range
The highest score - the lowest score
37
How to find the median
The middle score
38
How to find the mean
you add all of the scores and then you divide it by the number of scores
39
How to find the mode
It is the score that occurs the most
40
What does congruent mean
It means it's the same
41
What does SSS stand for
Side side side
42
What is a composite number
A number that can be divided equally ( no odd numbers)
43
What is a complement
It is the other possible outcomes
44
What is a surd
It is the root of an integer
45
How to find the answer to this = x with a little 2 = 64
Square root 64
46
How do you find the better buy
You divide the cost by how much it weighs. Then the number you get is how much it costs per gram