What is the formula for percentage change? | (Amount of change/Original amount) x 100 |

What is 'standard form'? | Number x 10power NB Number must be greater than or = 1 and less than 10. |

What is the formula for calculating the gradient (m) of a straight line? | m = (diff in y)/(diff in x) m = (y1 - y2)/(x1 - x2) |

On a Distance/Time graph how do you find the speed? | Calculate the gradient |

On a Velocity/Time graph, how do you find the acceleration? | Calculate the gradient. |

On a Velocity/Time graph, how do you find the distance travelled between two times? | Find the are under the graph between those two times. (Hint: Area of a Trapezium) |

What is the formula for the area of a triangle? | A = bh/2 |

What is the formula for the area of a rectangle? | A = bh |

What is the formula for the area of a trapezium with parallel sides 'a' and 'b'? | A = (a + b)h/2 |

What does a cubic look like? | Like an S on its side. |

What does a quadratic look like? | U or ∩ |

What is the formula for the Volume of a prism? | V = (base area) x height |

What is the formula for the surface area of a prism? | SA = (base perimeter) x height |

What is the formula for 'Pythagoras'? | h2 = a2 + b2 |

What is the formula for the length of a line joing the points (x1,y1) and (x2,y2)? | Length = √{(x1-x2)2 + (y1-y2)2} |

What is a cyclic quadrilateral? | A four sided shape in whcih each of the corners touches the circumference of a circle. |

How do you find the magniture of a vector X = ai + bj | |X| = √{a2 + b2} |

What is the formula for the area of a segment of a circle with angle 'a' at the centre? | A = ∏r2a/360 |

What is the formula for the curved length of a segment of a circle with angle 'a' at the centre? | Curved Length = ∏da/360 |

What is a 'line of best fit' on a scatter diagram? | A straight line which goes through the points so that there are approximately an equal number of points above and below the line. |

What does Q1 stand for? | Q1 = Lower Quartile |

What does Q2 stand for? | Q2 = Median (2nd quartile) |

What does Q3 stand for? | Q3 = Upper Quartile |

What does IQR stand for? | IQR = Inter Quartile Range |

What is the formula for IQR? | IQR = Q3 - Q1 |

What information is shown on a 'box and whisker' diagram? | Lowest value, Q1, Q2, Q3 and highest value. |