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End of yr exams - yr 10 > Math vocab > Flashcards

Math vocab Flashcards

1
Q

Pythagoras

A

a2 + b2 = c2

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2
Q

Trigonometry

A

Study of triangles

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3
Q

Sine

A

When you work with opposite and hypotenuse

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4
Q

Cosine

A

When you work with adjacent and and hypotenuse

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5
Q

Tangent

A

When you work with opposite and adjacent

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6
Q

Parallel

A

straight lines that are always the same distance apart from each other

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7
Q

Perpendicular

A

a straight line that makes the right angle (90 degrees) with the other line.

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8
Q

acute

A

angles smaller then 90 degrees

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9
Q

obtuse

A

angles larger then 90 degrees

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10
Q

reflex

A

angle more then 180 degrees

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11
Q

semi circle

A

a one-dimensional locus of points that forms half of a circle.

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12
Q

circumference

A

Outside fo a circle

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13
Q

radius

A

the distance from the center of the circle to any point on it’s circumference

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14
Q

diameter

A

the distance from one point of the circle through the centre of the circle to another point on the circle.

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15
Q

perimeter

A

measurement around a shape

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16
Q

area

A

measurement of the inside of the shape

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17
Q

volume

A

Amount of space

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18
Q

capacity

A

How much fluid fits inside

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19
Q

hectare

A

a non-SI metric unit of area equal to a square with 100-metre sides

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20
Q

cylinder

A

a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance

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21
Q

rhombus

A

it has four sides and that opposite sides will be parallel to each other

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22
Q

parallelogram

A

Two pairs of opposite sides are parallel

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23
Q

trapezium

A

a quadrilateral with no parallel sides

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24
Q

kite

A

a quadrilateral with reflection symmetry across one of its diagonals

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25
Q

arrowhead

A

The joining points of the top of the triangle

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26
Q

factorise

A

writing the given expression as a product of its factors

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27
Q

solve

A

Finding a solution

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28
Q

expand

A

Multiplying out brackets

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29
Q

inequality

A

he mathematical expressions in which both sides are not equal

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30
Q

equation

A

a mathematical statement with an ‘equal to’ symbol between two expressions that have equal values

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31
Q

expression

A

any mathematical statement which consists of numbers, variables and an arithmetic operation between them.

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32
Q

numerator

A

the part of a fraction above the line

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33
Q

denominater

A

the part of a fraction below the line

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34
Q

integer

A

a whole number

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35
Q

rational

A

any number that can be written as a fraction

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36
Q

irrational

A

any real number

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37
Q

bisect

A

a line that divides a line or an angle into two equivalent parts

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38
Q

indices

A

the small floating number that appears after a number or letter.

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39
Q

index/exponent/power

A

used to show that a quantity is repeatedly multiplied by itself.

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40
Q

roots

A

a number that when multiplied by itself produces the original number

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41
Q

factor

A

one of two or more numbers that divides into a number without a remainder, making it a whole number.

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42
Q

mutiple

A

one of two or more numbers that divides into a number without a remainder, making it a whole number.

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43
Q

significant

A

the number of digits important to determine the accuracy and precision of measurement, such as length, mass, or volume

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44
Q

improper

A

numerator is larger then the denominator

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45
Q

standard form

A

epresenting numbers or equations in a consistent format that includes a coefficient and a power of 10

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46
Q

ordinary number

A

the expanded version of a standard form number

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47
Q

positive

A

hose which are greater than zero (>0)

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48
Q

negative

A

A real quantity having a value less than zero ( < 0 )

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49
Q

increasing

A

the value of f(x) increases with an increase in the value of x

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50
Q

decreasing

A

get smaller in size, number or quantity.

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51
Q

estimate

A

an approximate value close enough to the correct value.

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52
Q

percentage

A

number or ratio that can be expressed as a fraction of 100

53
Q

inclusive

A

Including the last number

54
Q

exclusive

A

Excluding the last number

55
Q

interest

A

the amount to be paid on the borrowed money or the amount received on the money lent.

56
Q

ratio

A

an ordered pair of numbers a and b, written a / b where b does not equal 0

57
Q

rate

A

a ratio of two quantities with different units

58
Q

proportional

A

relationships between two variables where their ratios are equivalent.

59
Q

currency

A

Money, such as coins or banknotes, used as a medium of exchange.

60
Q

exchange rate

A

a relative price of one currency expressed in terms of another currency

61
Q

substitute

A

replacing the variables in an algebraic expression, equation or inequality

62
Q

surd

A

the square roots (√) of numbers that cannot be simplified into a whole or rational number.

63
Q

interior

A

Being in the inside of a surface

64
Q

exterior

A

being on an outside surface

65
Q

isosceles

A

being a triangle with two equal sides

66
Q

equalaterial

A

having all sides or faces equal in length

67
Q

corresponding

A

similar to, connected with, or caused by something else

68
Q

co-interrior

A

a pair of angles that are on the same side of a transversal and between two lines

69
Q

alternate

A

angles that are formed when a transversal line cuts two parallel lines

70
Q

geometric

A

using straight or curved lines in designs or outlines

71
Q

polygon

A

3 sided shape

72
Q

quadrilateral

A

a square

73
Q

pentagon

A

5 sided shape

74
Q

hexagon

A

6 sided shape

75
Q

octogon

A

8 sided shape

76
Q

nonagon

A

9 sided shape

77
Q

decagon

A

ten sided shape

78
Q

hypotenuse

A

the longest side of a right triangle

79
Q

rearrange

A

moving the terms in an equation around to find your answer

80
Q

alegbraic

A

relating to, involving, or according to the laws of algebra

81
Q

simultaneous

A

two or more algebraic equations that share common variables and are solved at the same time

82
Q

elimination

A

a technique used to solve systems of equations by removing one variable at a time

83
Q

substitution

A

replacing the variables in an algebraic expression, equation or inequality

84
Q

coefficent

A

a number or symbol that is multiplied by a variable in an algebraic expression

85
Q

prism

A

a three-dimensional solid object in which the two ends are identical

86
Q

cuboid

A

a 3D shape that has six faces, twelve edges and eight vertices

87
Q

sphere

A

3D circle like a ball

88
Q

opposite side

A

the one across from a given angle

89
Q

adjacent

A

If two sides share a common angle

90
Q

bearing

A

the angle in degrees measured clockwise from north

91
Q

altitude

A

the height of a shape

92
Q

gradient

A

the measure of its steepness and direction

93
Q

intercepts

A

The point where the line or curve crosses the axis of the graph

94
Q

y intercept

A

the point or points where the line in a graph crosses the y-axis

95
Q

x intercept

A

the point where the line crosses the x-axis

96
Q

identify

A

an equality that holds true regardless of the values chosen for its variables.

97
Q

formula

A

a rule or relationship that uses mathematical symbols to connect variables and find solutions to math problems

98
Q

formulae

A

a mathematical rule or relationship that uses letters to represent amounts which can be changed

99
Q

vertical

A

a line that is perpendicular to the surface or another line that is considered as the base

100
Q

horizontal

A

a straight line that goes from left to right or right to left

101
Q

range

A

the difference between the highest and lowest values in a set of numbers

102
Q

median

A

The middle number; found by ordering all data points and picking out the one in the middle

103
Q

mode

A

the most common number that appears in your set of data

104
Q

mean

A

the average of a data set, found by adding all numbers together and then dividing the sum of the numbers by the number of numbers

105
Q

interquartile range

A

the distance from the first quartile ( Q 1 ) to the last quartile ( Q 3 ) in a data set

106
Q

quartiles

A

three numbers that split a set of data into four equal parts, or groups

107
Q

frequency

A

the number of times a data value occurs

108
Q

frequency density

A

the frequency per unit for the data in each class

109
Q

histogram

A

a graphical representation of discrete or continuous data

110
Q

statistics

A

a branch of applied mathematics that involves the collection, description, analysis, and inference of conclusions from quantitative data

111
Q

distribution

A

something is being separated evenly

112
Q

bivariate

A

data that has two variables, a dependent and an independent variabl

113
Q

multivariate

A

having or involving a number of independent mathematical or statistical variables

114
Q

relationships

A

a collection of ordered pairs containing one object from each set

115
Q

construction

A

accurate drawings of shapes, angles and lines in geometry

116
Q

loci

A

a set of points that all satisfy some given condition or property

117
Q

outcomes

A

a result of an event that depends on probability

118
Q

sample space

A

the collection of all possible outcomes

119
Q

simulation

A

a representation of something, not the real thing

120
Q

perfect square

A

numbers that are the products of integers by themselves

121
Q

parabola

A

a curve formed by the intersection of a cone with a plane parallel to a straight line in its surface

122
Q

terms

A

either a single number or variable, or the product of several numbers or variables

123
Q

like terms

A

terms that have the same variable raised to the same power

124
Q

data

A

A collection of facts, such as numbers, words, measurements, observations.

125
Q

theoretical

A

calculating the probability of it happening

126
Q

experimental

A

an outcome of a random experiment.

127
Q

sequence

A

an enumerated collection of objects in which repetitions are allowed and order matters.

128
Q

hypothesis

A

Educated guess

129
Q

scale factor

A

the ratio of corresponding sides on two similar figures.

End of yr exams - yr 10 (16 decks)

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