| Preface | |
| Make a folding tetrahedron | |
| Six pyramids make a cube | |
| Three pyramids make a cube | |
| The Shinsei Mystery | |
| The car jam | |
| The flight controller's nightmare | |
| The vanishing act | |
| Mystifying matchsticks | |
| Calculator cricket | |
| Generating straight-line motion | |
| Make a mobile to defy gravity | |
| The triangular building site | |
| Ring the triangle | |
| K9 or one man and his dog | |
| The anti-litter campaign | |
| The railcar terminus | |
| Paving the patio | |
| Make a twistable tetrahedral torus | |
| Seeing is believing | |
| Spot the pattern | |
| Investigations on a 5 x 5 pinboard | |
| Chessboard tours | |
| Mind stretching | |
| One step forward, march! | |
| Coin magic | |
| The persistent frog | |
| Tidy that bookshelf! | |
| Square a Greek cross | |
| The fuel delivery | |
| Fair shares | |
| Move a queen | |
| Rolling cubes | |
| Make yourself a harmonograph | |
| Make a matchbox computer | |
| More matchstick mindbenders | |
| Tails up! | |
| Dovetailed | |
| Impossible rotations! | |
| Problems of single line working | |
| Solitaire | |
| All change | |
| Pegs progress | |
| Pinboard triangles | |
| Rigid structures in two dimensions | |
| Rigid structures in three dimensions | |
| A lover's ultimatum! | |
| Only four lines! | |
| Dividing the inheritance | |
| Triangulating a square | |
| Who is 'it'? | |
| Find the cards on the table | |
| Reafforestation | |
| The rolling cube game | |
| Two at a time | |
| The prisoner's perambulations | |
| Crossed lines | |
| Bridging the river | |
| Crossing the desert | |
| Can you help the motorway designer? | |
| Who nobbled the racehorse? | |
| Court card capers | |
| Heads and tails | |
| The chapel hymnboard | |
| Find the radius of the circle | |
| As easy as ABC | |
| Fill the corners | |
| The end of the world! | |
| How many will you take? | |
| Envelopes of curves | |
| Four more ways to form an ellipse | |
| Parabolas | |
| The snowflake curves | |
| The staircase paradox | |
| Historical estimates | |
| What was the sum? | |
| Prelude to a marathon | |
| Dr Numerati's telephone number | |
| A magic diamond | |
| Palindromic dates | |
| The sponsored marathon | |
| A calculator crossword | |
| Variable based triangles | |
| Multiplying by three | |
| The hydrocarbons | |
| Designing a new dartboard | |
| The car importer | |
| Look before you leap! | |
| Find the digits | |
| The effect of inflation | |
| Octogenarian occupations | |
| Prime factors | |
| Remove a rectangle | |
| Subtraction to addition | |
| A Russian two-step | |
| Magic squares revisited | |
| Do you know your birthday? | |
| What scores are possible? | |
| The elusive digit | |
| Chains of cube sums | |
| Prime magic | |
| Surprise, surprise! | |
| Identical twins, quads and triplets | |
| Squares and cubes | |
| Calculator golf | |
| Fox and geese | |
| All present | |
| Postage due | |
| Ann's tower | |
| Reconstructing the manor house | |
| The blanket box | |
| Three in a line | |
| Topsy-turvy | |
| Divisibility | |
| Calculator challenges | |
| The Giant and the Dwarfs | |
| Rhyme around | |
| The Ruby wedding | |
| The medieval courtyard | |
| Fill the gaps | |
| Find the route | |
| 501 up! | |
| One, two, three, four, five ... | |
| Crossed ladders | |
| Target | |
| Ones and zeros | |
| A cautionary tale | |
| Another calculator crossword | |
| Further resources | |
| Index | |
| Table of Contents provided by Publisher. All Rights Reserved. |