Page 198 - Mathematics Coursebook
P. 198
Glossary
function machine a method of showing a length measurement of a line,
function 24 usually in metres 47
gram (g) one thousandth of a kilogram 47 like terms terms containing
graph a line drawn on a coordinate grid 129 the same letter(s) 98
grouped frequency table a table that lists, likely more than an even chance 153
in groups, the number or frequency of items line of symmetry a line dividing a
of each category in a set of data 68 shape into two parts, each part being
highest common factor the largest a mirror image of the other 89, 162
number that is a factor of two or more line segment a part of a straight line
other numbers 73, 137 between two points 54
image a shape a%er a transformation 161 litre (l) standard unit of capacity 47
improper fraction fraction in which the lowest common multiple the smallest
numerator is larger than the denominator 80 possible common multiple of two
included angle the angle between two numbers; 24 is the lowest common
given sides 122 multiple of 6 and 8 11
included side the side between two given lowest terms a fraction is reduced to its
angles 122 lowest terms by dividing both numerator
in!nite sequence a sequence that and denominator by their highest common 73
factor; it cannot be simpli"ed further
has no end 22
information facts, o%en produced from map be converted, by means of a function,
collected data 63 from a value in one set of numbers into a 24
value in another set of numbers
input a number to be acted upon by mapping diagram a diagrammatical
a function 24 representation of a function 24
integer the whole numbers mass the amount of substance in an object;
…, −3, −2, −1, 0, 1, 2, 3, ….. 7 sometimes the word weight ’ is used in everyday
internal angle any angle inside speech 47
a !at shape 124 mean To "nd the mean of a set of
inverse the operation that has the opposite numbers, add them and divide by how
e#ect; the inverse of ‘add 5’ is ‘subtract 5’ 16 many there are 107
inverse operation the operation that median 'e middle number when a
reverses the e#ect of another 42, 101 set of numbers is put in order 105
isosceles triangle triangle in which two metre (m) unit of length; standard unit
sides are equal in length and the angles of length 47
opposite equal sides are also equal 60, 87 metric units measurements based on
key (pictogram), the value of one picture multiples and divisions of ten; the most
or symbol 181 common units of measurement 47
kilogram (kg) standard unit of mass 47 mid-point the centre point of a
kilometre (km) one thousand metres 47 line segment 129
kite quadrilateral in which two pairs of millilitre (ml) one thousandth of a litre 47
adjacent sides are equal, the opposite angles millimetre (mm) one thousandth of a metre 47
between the sides of di#erent lengths
are equal 87 mirror line a line dividing a diagram into two
parts, each being a mirror image of the other 162
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