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Maths > 1 > Flashcards

1 Flashcards

1
Q 
40% of 40
Work out 1/2 × 5
times anything by 1/2 what do?
5 less than -2
use for - and pos number
Simplify 3 × a × 3 × a
similar shape
20% of 14 000
0.85 as a fraction in its simplest form.
.85 as a fraction
A 
16
2.5
half
-7
Number line
9a2
Enlarged
2800
17/20
85/100
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2
Q

% of a number

find % hard number if sum too hard

A

/100 times amount

work out 1 10 etc

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3
Q

A car cost $5000 + Tax. Tax is 17.5%. What is the total price of the car?

A

4125

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4
Q 
Site for drills
Work out 10%
5%
1%
100%
25%
Percent means
Fraction of
Is it a ratio
symbol
A 
Maths drills
/ 10
/10 /2
100
The number
/4
Out of 100
100
yes
%
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5
Q 
7x8
7x17
7x16
7x4
7x6
A 
56
119
112
28
42
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6
Q

Times 11
times 10
Times anything by .5 times by 5

A

double or split
add 0
half half

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7
Q

20% fraction
25% fraction
50% fraction
75%

A

1/5
1/4
1/2
3/4

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8
Q

6x4

6x8

A

24

48

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9
Q

squares1-10

A 
1
4
9
16
25
36
49
64
81
100
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10
Q

2.8x 25

A

70

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11
Q

Rounding look at next digit where?

When round up?

A

on the right

5 or more

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12
Q

Prime number
True or false 1 is a prime number./ first prime
What are the first ten prime numbers?
factor
Multiple
Give two different prime numbers that add to 14.
Is 63 a prime number?
Give all the prime numbers between 70 and 80.
What is the probability of getting a ‘Head’

A 
1 and itself
no 2
2, 3, 5, 7, 11, 13, 17, 19, 23, 29
divisible
times
3 11
no
71, 73 and 79.
.5
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13
Q

If a square has sides 3cm long, what is its area?

A

9cm2

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14
Q 
How would you find the area of any triangle?
rectangle
rhombus
trapezium
circle semi
parallelogram
A 
BH/2
wl
pq/2
a+b h/2
Pr2  circle /2
BH
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15
Q

Area rec 10 16

A

160

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16
Q

The amount of space inside a 2D shape
amount of space in 3d object
The total length of all of a 2D shapes sides

A

Area
Volume
Perimeter

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17
Q

What is the formula for finding the circumference of a circle?

A

Circumference = πD

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18
Q

Pythagoras theorem

A

a2 + b2 = c2

19
Q

volume cuboid
cylinder
prism
pyramid

A

Volume = l x w x h
circle length
Volume = area of cross section x length
1/3x bh

20
Q

Expand brackets

A

Times everything in

21
Q

Simplify

. mean

A

Simplest form

times

22
Q

axa

Letter times letter

A

a2

letter squared

23
Q

power 0 =

Power 1

A

1

itself

24
Q

numbers in algebra represent
indices also known
multiply expressions with the same base
divide expressions with the same base

A

symbols
powers exponents
copy the base and add the indices
copy the base and subtract the indices

25
Q

What is the rule for angles on a straight line?
What is the rule for angle around a point?
What is the rule for vertically opposite angles?
What is the rule for angles on a triangle?
What is the rule for angles on a quadrilateral?
What’s the rule for quadrilaterals to do with triangles?
Alternative angles in relationship to each other?
Letter to find corresponding angles?

A 
180
360
equal
180
360
All quadrilaterals can be split int two to make two 
Equal
F
26
Q 
How many sides does a pentagon have?
How many sides does a hexagon have?
How many sides does a heptagon have?
How many sides does a octagon have?
How many sides does a nonagon have?
How many sides does a decagon have?
A 
5
6
7
8
9
10
27
Q 
90
Below 90
Over 90 under 180
Over 180
Measures an angle
A 
Right angle
acute
obtuse
reflex
Protractor
28
Q

Formula for prism

Cylinder a Prism?

A

Area time height

yes

29
Q

Integer
mixed
improper
equivalent

A

Whole number
integer with fraction that’s proper
top heavy
look different but same

30
Q

Times fraction
divide
add sub

A

top bottom
kcf
denominator

31
Q 
5/8 decimal
8x6
39/3
Mean means
Median
Range
16.4 – 3.92 + 7.8
2843.61 ÷ 7
1/3 as %
A 
.625
48
13
average
Middle when in order
Smallest biggest difference
20.28
406.23 
33.3%
32
Q

A rectangular carpet measures 8 m by 6 m
Part of the carpet is covered by a square rug of length 2 m
Show that 1/12
of the carpet is covered by the rug

A

8x6=48

33
Q

Sam, Carl and Erik share 40 sweets.
Erik gets the largest share.
What is the smallest possible number of sweets that Erik could get?

A

14

34
Q

The time in Rio is three hours behind London.
The time in New York is five hours behind London.
What is the time in New York when it is 1.00 am in Rio?

A

11(.00)pm or 23.00

35
Q

5 6 1 3 5 5 8 4 2 2 Mean? Median

A

4.1, 4.5

36
Q

3a + b = 7 and 6x + 8y = 40

Show that 9a + 3b has a greater value than 3x + 4y

A

2 1 4 2

21 and 20

37
Q 
Adjacent means what?
What does 'sin' stand for?
What does 'cos' stand for?
What does 'tan' stand for?
Opposite
Hypotenuse
A 
next to
sine
cosine
tangent
work out
longest
38
Q 
how many circle theorem
Circumference
radius
diameter
arc
In a circle, what is origin?
In a circle, what is tangent?
In a circle, what is chord?
In a circle, what is sector?
A 
6
circle
half way
full
arc
centre
Touches circumference at one point
Line that goes across,not through the middle of circle
Has to go from the centre
39
Q

Pic these shapes

A

Triangle, circle, square, cube, cuboid, rectangle, rhombus,kite, trapezium, semi circle, equalateral tri, tri based pyramid, sphere, cone, square based pyramid.

40
Q

Fully cancel down this ratio

6: 4
5: 10
12: 9
7: 28

A

.

3: 2
1. 2
4. 3
1. 4

41
Q

What are the first five multiples of 6?
What are the multiples of 9 between 60 and 80?
What is the lowest common multiple of 6 and 8?
What is the lowest common multiple of 7 and 5?
What are the factors of 6?
What are the factors of 24?
Give a factor of 16 that is not a factor of 12.

A 
6, 12, 18, 24, 30
63 and 72
24
35
1, 2, 3, 6
1,, 2, 3, 4, 6, 8, 12, 24
8/16
42
Q

was £35 now £76 what percentage increase?

A

76-35 =41 /35x100

117%

43
Q

What is the median of these 4 numbers?

2 10 6 2

A

4

Maths (23 decks)

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