| A | B |
| whole numbers | {0, 1, 2, 3, . . .} |
| integers | {. . . , -3, -2, -1, 0, 1, 2, 3, . . .} |
| sum | result of addition |
| difference | result of subtraction |
| product | result of multiplication |
| quotient | result of division |
| Two dimensional shapes | Flat shapes, without any height |
| Three dimensional shapes | Solid shapes with length, width and height |
| Angle | The amount of turn between two lines |
| Approximation | An answer that is useful but not exact |
| Area | A measure of surface. |
| Capacity | The amount of cubic content |
| Cuboid | Box shape |
| Decimal | A number with a point that separates the units and the tenths. |
| Digits | The symbols 0,1,2,3,4,5,6,7,8,9 |
| Evaluate | Work out the value |
| Frequency Table | Table showing how many of each item |
| Imperial Unit | Unit of measurement used historically in UK |
| Line Graph | Graph showing how something changes over time. |
| Line of symmetry | A mirror line. Whatever is on one side of the line is reflected on the other side. |
| Mean | The sum of all the data divided by the number of items. |
| Metric | Decimal system of measurement |
| Multiple | The numbers in a particular times table. |
| Negative Number | A number less than zero. |
| Parallel lines | Lines going in the same direction |
| Perimeter | The length around the outside of a shape. |
| Pie Chart | A chart using a circle split into sectors. |
| Prime Number | A number that has exactly two factors |
| Product | The result of a multiplication. |
| Quadrilateral | A 4 sided shape. |
| Range | The biggest number take away the smallest number |
| Rectangle | 4 sided shape where all the angles are right angles and opposite sides are the same length. |
| Right angle | One quarter of a complete turn. |
| Rotational symmetry | A shape can be turned round so it looks the same in more than one position. |
| Sequence | A number pattern |
| Square numbers | 1, 4, 9, 16, 25, 36, 49.... |
| Tally | A method of counting in 5's |
| Tesselation | A repeating pattern that leaves no gaps between the shapes. |
| Weight | How heavy something is. |
| Circumference | Distance around a circle |
| Diameter | Distance from one side of the circle to the other through the centre. |
| Radius | Distance from centre of circle to circumference |
| Formula | General rule or mathematical law |
| Grouped data | Data sorted into class intervals |
| Median | The middle number when the sata is arranged in order. |
| Mode | The most frequently occuring. |
| Mixed number | A whole number with a fraction |
| Improper fraction | A "top heavy" fraction |
| Percentage | Out of 100 |
| Pi | The Greek letter approximately equal to 3.14 |
| Probability | How likely something is to happen. |
| Parallelogram | Quadrilateral where the opposite sides are parallel |
| Trapezium | Quadrilateral where one pair of sides are parallel. |
| Rhombus | Quadrilateral where all the sides are equal and opposite sides are parallel. |
| Equilateral Triangle | Triangle with 3 equal sides. |
| Isosceles Triangle | Triangle with 2 equal sides. |
| Pentagon | 5 sided shape. |
| Hexagon | 6 sided shape. |
| Octagon | 8 sided shape. |
| Acute angle | Angle less than 90 degrees |
| Obtuse angle | Angle greater than 90 degrees but less than 180 degrees |
| Reflex angle | Angle greater than 180 degrees. |
| Factor | A number that divides exactly into another number, without a remainder. |
| Scatter Diagram | Graph used to compare two sets of data |
| Line of best fit | Line showing trend on a scatter diagrem |