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Year 7
Maths Dictionary
Name...................................................................
Class ...........................
1
1. Number & Calculations
Calculations
Word Definition Spelling
Addition
Subtraction
Multiplication
Division
Calculate
Operation
Inverse
2
Brackets
Product
Quotient
Remainder
Fractions, Decimals and Percentages
Word Definition Spelling
Equivalent
Fraction
Denominator
3
Numerator
Simplest form
Percentage
Improper fraction
Proportion
Ratio
Integers, powers and roots
Word Definition Spelling
Integer
Factor
4
Multiple
Divisibility
Prime
Negative
Positive
Square number
Square root
Consecutive
Place value, ordering and rounding
Word Definition Spelling
Approximate
5
Decimal place
Digit
Significant
Place value
Round
Tenth
Hundredth
Thousandth
2. Shape, Space & Measures
Geometry
Word Definition Spelling
Angle
6
Acute
Obtuse
Right Angle
Reflex
Centre
Circle
Degree
Diagonal
Diagram
Edge
7
Face
Horizontal
Vertical
Parallel
Perpendicular
Polygon
Pentagon
Hexagon
Octagon
Quadrilateral
8
Arrowhead
Delta
Kite
Parallelogram
Rectangle
Rhombus
Square
Trapezium
Regular
Irregular
9
Shape
Solid
Cube
Cuboid
Cylinder
Prism
Square based pyramid
Pyramid
Sphere
Tetrahedron
10
Three-dimensional (3D)
Triangle
Equilateral
Isosceles
Scalene
Two-dimensional (2D)
Vertex
Vertices
Construction
Word Definition Spelling
11
Construct
12
Perpendicular
Protractor
Ruler
Compasses
Co-ordinates
Word Definition Spelling
Axes
Co-ordinates
Origin
13
Quadrant
x-axis
y-axis
x-ordinate
y-ordinate
Measurements
Word Definition Spelling
Units
Area
Square metre
Capacity
14
Millilitre
Centilitre
Litre
Pint
Gallon
Length
Millimetre
Centimetre
Metre
Kilometre
Mile
Mass
Gram
Kilogram
Ounce
Pound
Temperature
15
Celsius
Fahrenheit
Depth
Distance
Height
Width
Perimeter
Surface
TransformationsWord Definition Spelling
Symmetry
Congruent
16
Object
Image
Reflect
Rotate
Rotation symmetry
Symmetrical
Transformation
Translate
3. Handling Data & Probability
Handling Data
17
Word Definition Spelling
Average
Class interval
Data
Grouped data
Experiment
Frequency
Interpret
Interval
Mean
Median
18
Mode
Range
Questionnaire
Statistic
Survey
Table
Tally
Probability terms
Word Definition Spelling
Certain
Uncertain
19
Even chance
Likely
Unlikely
Possible
Impossible
Probable
20
Probability
Outcome
Fair
Unfair
Random
4. Algebra
Equations, formulae and identities
Word Definition Spelling
Algebra
Equation
Expression
21
Evaluate
Simplify
Simplest form
Solve
Substitute
Symbol
Term
Variable
22
Sequences, functions & graphs
Word Definition Spelling
Function machine
Graph
Input
Output
Nth term
Relationship
Rule
Sequence
23