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 |