To view the problem statement, double click on the problem title. This will open up the problem in a new window. From there, you can download the full problem-and-solution Word document.

Examples
Page Ref |
Problem
Title |
Objectives
Ref |
Description |
Key Words |

112, 124 | Input Output | Express Relationships | Describe the rule connecting the dual Inputs to the Output | Symbols, Mapping, Table, Relationship, Function |

116, 122 | Bad Dog! | Construct and solve simple equations | Cheery the Dog has just swallowed Sweety the Cat - how heavy were they each beforehand?! | Like Terms, Solve, Equation |

116 | Three Numbers | Simplify expressions | Find the original numbers, given the sums of the three taken in pairs | Simplify, Solve, Equation |

122, 140 | MultiChoice Exam | Solve Simple Equations | How many correct and incorrect answers give a total score of 210 marks? | Trial, Equation |

123, 127 | High But Friendly Simultaneous Equations | Linear Equations, Elimination | Simultaneous equations in 5 unknowns ... but easy to guess their relative sizes and hence solve (honest!) | Unknown, Expression, Substitute, Solution |

30, 144 | Shelf Tidying | Sequences, Justify methods | How quickly can you put the Star Trek videos back in order? | Sequence, Proof |

144, 229 | Britain Rules The Weights? | Binary, Sequences | Metric weights aren't quite as efficient as you would hope... | Predict, Sequence |

148, 10 | Clock Arithmetic | Sequences, Checking Predictions | A simple but surprising Modulo puzzle | Sequence, Predict, Modulo, Check |

149 | Parking Meters | Sequences, Spreadsheets | A mixture of dollars and quarters make up $29.50 - how many coins of each type, 43 in total? | Calculate, Sequence |

154, 262 | The Knockout Tournament | Sequences | How many games are needed in a tournament for 100 teams? How many byes etc? | Predict, Generate, Verify |

175 | Die Hard | Graphs, Sequences | The old Jugs problem, with a 'graphical' hint | Coordinates, Graph, Sequence |