Page 463 - Math Smart - 7

Interior angles: Angles that exist inside of Ungrouped data frequency table: A Axis of symmetry: A line that cuts a shape
a shape frequency table that presents data as a list into two equal parts that mirror each other
Intersecting lines: Lines that cross or meet where each data value takes up one row Dimension: A measurement of length in one
Obtuse angle; An angle that measures Ungrouped data: Data that is not organised direction
between 90° and 180° into groups or class intervals Edge: A line where two faces of a solid
Outer scale {of a protractor): The inner set meets
of reading that measures in an clockwise Units Face: Any flat surface of a solid
direction from 0° on the left-hand side to 180° Denominator: Number of equal parts that Order of rotational symmetry: The number
on the right-hand side the whole is divided into of times a shape fits onto itself in one full
Parallel lines: Two or more lines that are Equivalent fractions: Fractions that have turn, for example, a rectangle has an order of
always the same distance apart and would the same values despite having different rotation of 2 at 180° and 360°
never meet Orientation: The position or direction of an
numerators and denominators.
Perpendicular lines: Straight lines that meet object to describe how the shape is placed
Fractions: A number that is not a whole
at 90° number and can include parts of a whole in a space
Quadrilateral: A polygon with 4 sides with number Polygon: A two-dimensional closed shape
interior angles that add up to 360 degrees Fractions: A part of a whole that has a made up of straight lines only
Reflex angle: An angle that measures numerator and denominator Regular Polygon: A two-dimensional closed
between 180° and 360° Improper fractions: A fraction where shape made up of straight lines where all
sides and angles are equal
Revolution: A full 360-degree turn the numerator is larger or equal to the
denominator: its value is more than or equal Rotational Symmetry: When an object Is
Right angle: 90° angle
to 1. rotated around a centre point within a full
Straight line: 180° angle
Like fractions: Fractions with the same turn and still looks the same
Supplementary angles: Angles that add up
denominators Symmetry: When one half of a face or
to 180° object Is a mirror image of the other half
Mixed numbers: A combination of a whole
Transversal line: A line that cuts two or
number and a fraction
more lines
Numerator: Number of equal parts of the Unit 11
Truss: A framework or other structure
whole that you are counting Coordinate grid (Cartesian plane): A
Vertex: The point at which two or more lines diagram used to indicate and locate points
Proper fractions: A fraction where the
meet and end along the .v- and _v-axis
numerator Is less than the denominator; its
Vertically opposite angles: Angles formed
value is less than 1 Coordinate: A pair of numbers that show the
to the opposite of each other when two lines exact position of something on a Cartesian
Quotient: The result obtained when a
intersect and pass each other coordinate grid
quantity is divided by another
Remainder: The quantity left over after Grid reference: A point or position on a
Unit 7 map made up of horizontal and vertical lines
dividing a quantity into equal groups
Class interval: The difference between the labelled with numbers or alphabets
Unlike fractions: Fractions with different
highest value and lowest value In each class Linear equation: An algebraic equation in
denominators
Class: A range of values banded together to the form of y = //lv + c where variables only
chart the distribution of frequency has a power of 1
Unit 9
Closed question: A question that has a list Linear graph: A graph of a linear equation,
Consecutive terms: A term and the term
of answers to choose from which is always a straight line
that follow immediately after
Data collection sheet: A document used to Ordered pair: A pair of numbers in which the
Fibonacci sequence: A set of number that
collect and organise data order they appear in is important; it is used
starts with 0 and 1 and continues based on
Data: Information that is collected by to locate a point on the Cartesian grid in the
the rule that each number is equal to the
obsen/ing, questioning or measuring to form of (.V. y)
sum of the numbers that come before it.
inform people to make decisions Origin: Fixed point of reference on a
General term (nth term): A mathematical
Frequency table: A table used to organise Cartesian coordinate grid where the .v-axis
expression made up of variable and
data by showing the number of times each intersects they-axis
constants that gives the successive terms in
value occurs Proportional: Two quantities are
a sequence when integers are substituted
Frequency: The number of times a value proportional when either their ratio or their
into the variables
product gives a constant
occurs
Number pattern: A set of numbers that
Grouped data frequency tables: A Quadrant: A quarter of a Cartesian
follow a certain sequence
frequency table that presents data in classes coordinate grid divided by the .v-axis and
Sequence: A list of numbers that follow a
Grouped data: Data that has been bundled pattern or are governed by a rule _\'-axis
together Into classes x-axis: The horizontal line of reference on a
Term-to-term rule: A rule that allows you to
Open-ended question: A question that has Cartesian coordinate grid or the numbers on
find the next number in a sequence given
no suggested answers that previous terms are known the .v-axis
x-coordlnate: Horizontal distance of point
Organise; To arrange systematically
Term: A number in a sequence
from the origin
Questionnaire: A set of questions used to
y-axis: The vertical line of reference on a
obtain information from individuals
Unit 10 Cartesian coordinate grid or the numbers on
iimj • ^rnethod of collecting data in order i-0 Shape; Aflat shape that has two the y-axis
pensions-, length width, but no aepvh
y-coord\nate: Vertical disVance oi po\nV trom
the origin
itenglh,«dth end height