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Sport and Psychology and Maths > MATHS > Flashcards

MATHS Flashcards

(88 cards)

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1
Q

Which of the Distance, speed or Time do you have to times, or divide

A

Distance = Speed x Time
Speed = Distance ÷ Time
Time = Distance ÷ Speed

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2
Q

Density

A

Density = Mass ÷ Volume

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3
Q

What Units do we times or divide by 100

A

Ml-> Kl-> L-> Ml
Kg-> G

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4
Q

What is a name that reminds me of the units Km M Cm Mm

A

(Kc) (Kasey) (Casey)

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5
Q

What is a square number

A

(Sn) x (Sn)
(2x2) (3 x 3) (etc.)

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6
Q

What is a cube number

A

(Sn) x (Sn) x (Sn)
(2 x 2 x 2) (3 x 3 x 3) (etc.)

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7
Q

Prime Numbers are…

A

Number can only times by itself
(only times 3 x 1 = 3, no other multiple equals 3)

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8
Q

Area of a Rectangle

A

Length x Width

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9
Q

Area of a Square

A

Length x Width

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10
Q

Area of a Circle

A

π r² ((Number of Radius) Type in character with πr² (Round up to decimal place))

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11
Q

Area of a Triangle

A

Base x Height = (Answer = half answer to base x height)

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12
Q

Area of a Parallelogram

A

Base x Height

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13
Q

Area of a Trapezoid

A

(a+b) h (divided by two) (bottom and top number add together, that answer from adding x height, = divide by two)

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14
Q

Perimeter of a Rectangle

A

(Length + Width) × 2

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15
Q

Perimeter of a Square

A

(All sides add together)

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16
Q

Perimeter of a Circle

A

C (circumference) π x D (Diameter (Line Across Circle, Radius is Half of the Diameter))

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17
Q

What is half the Diameter

A

Radius

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18
Q

Perimeter of a Triangle

A

(All sides add together)

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19
Q

Perimeter of a Parallelogram

A

(All sides add together)

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20
Q

Perimeter of a Trapezoid

A

(All sides add together)

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21
Q

Area Units

A

(km2) (m2) (cm2) (mm2)
(Inside)

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22
Q

Perimeter Units

A

(km) (m) (cm) (mm)
(Outside)

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23
Q

Power

A

Number of times number times by itself

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24
Q

Root

A

Number that times by itself
(√25 = 5) (5 x 5 = 25)

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25
Acute Angle
Less than 90
26
Right angle degree
90
27
Obtuse Angle
More than 90
28
Straight line degree
180
29
Reflex Angle
More than 180
30
At a point degree
360
31
Angle at a point
Add to 360
32
Integer is a...
Whole number
33
Surds is
Any decimal numbers
34
Standard Form is...
Making number, big or small to make it easier to understand
35
FRACTIONS -Cancelling down -Times -Divide -Fractions of %
_Cancelling down .Divide top and bottom by same number till cant anymore -Times .Times top and bottom together then divide both by same number till cant anymore -Divide .KFC -Fractions of % .Divide bottom and other number, (not top) then answer x top
36
Triangle (how many times can half, times 180)
1 x 180 = 180
37
Square (how many times can half, times 180)
2 x 180 = 360
38
Pentagon (how many times can half, times 180)
5 x 180 = 900
39
Hexagon (how many times can half, times 180)
6 x 180 = 1080
40
Heptagon (how many times can half, times 180)
7 x 180 = 1260
41
Octagon (how many times can half, times 180)
8 x 180 = 1440
42
Even numbers ends in...
0, 2, 4,6,8
43
Odd numbers ends is...
1, 3, 5, 7, 9
44
LCM stands for...
Lowest common multiple
45
HCF stands for...
Highest common factor
46
Multiple means...
Times tables
47
Factors is a...
numbers that divide (Example: 30)
48
Algebra (Sequences)
2, 6, 10, 14,18 = 4n -2 (because 2 times table would be 2, 4, 6, 8, 10, 14, 16, 18, sequence -2 from 2 times table every time, while from 2 -> 6, it takes 4 to get from 2 -> 6) ,
49
Algebra (Fibonacci Sequence)
1, 1, 2, 3, 5, 8, 13 (Each number in sequence is sum of two numbers before it) (1+1=2)
50
Algebra (Multiplication)
Times numbers together, then put letters on with answer of numbers (6a + 2b -> 6 x 2 = 12 = 12ab)
51
Algebra (Dividing)
(Turn into a fraction) (6 x p x q x q / 2 x q) (6 ÷ 2 = 3) p q q / q = p q =3pq
52
1 Pound
16 Ounces
53
1 Stone
14 Pounds
54
1 Gallon
8 Pints
55
1 Yard
3 Feet
56
Foot
12 Inches
57
Ratio
Size of Quantities (Apples -> Pears = 2 -> 1) means that every 2 Apples there are 1 pear in a bowl - 20 : 60 (Cancel units to lowest term) 60 ÷ 20 = 3 20 ÷ 20 = 1 = 1 : 3
58
Proportion -Direct -Indirect
-Direct One quantity doubles, so does the other. -Indirect If one quantity doubles, other halves (goes down)
59
Decimal into %
Multiply by 100
60
% into Decimal
÷ into 100
61
% into fraction
Divide by highest number Fraction of 100, simplify if possible
62
fraction into decimal
Divide fraction denominator and numerator
63
Decimal into fraction
cancel down fraction to lowest form
64
Vector
length of line shows a vector and arrows shows direction
65
Translation
Moving object to new position
66
Rotation
Takes object and rotates it
67
Reflection
like looking in a mirror
68
Enlargement
Making object bigger or smaller
69
Triangle -Equilateral -Isosceles -Scalene
-Equilateral = all sides equal -Isosceles = 2 equal sides -Scalene = no equal sides
70
Radius
half the diameter
71
Diameter
line across half the circle
72
Chord
above the diameter
73
Segment
inside area where chord runs across
74
Sector
area next to radius and diameter, slice of cake cut
75
Circumference
outside edge of the circle
76
Tangent
Line outside circle, touches the circumference
77
Mode
Most of something
78
Median
middle of something in order
79
Mean
add all numbers there together, then ÷ by how many numbers there are
80
Range
Distance between highest to lowest number
81
Estimating
Round numbers to easy numbers (whole numbers)
82
Conversion Factors
If £1 = 1.6 euro, how much is 20 euros in £.p 1. Find Conversion Factor (1.6) (Exchange rate) 2. Multiply and divide (20 x 1.6 = £32) 20 ÷ 1.6 = £12.50) 3. Choose common sense answer (Foughly 3 euros = £2, the answer would be less than 20 euros) = 12.50
83
Scatter Graphs
load of points on a graph that is a mess (correlation) got to say whether its weak, strong, moderate or positive or negative
84
Good Correlation
means points form a nice line, things closely related to one another
85
Poor correlation
points all over the place so very little relation
86
Positive correlation
sloping uphill, left to right, increase or decrease together
87
Negative correlation
sloping downhill, left to right, if one decreases, other increase
88
Graph -Vertical line -Horizontal line -Main diagonal -Other diagonal
-Vertical line = x=a -Horizontal line = y=a -Main diagonal = y=x -Other diagonal =y=-x

Sport and Psychology and Maths (5 decks)

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