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Zusammenfassung This book follows the successful Mathematical Activities and has been written to provide teachers with further ideas to enrich their teaching of mathematics. Inhaltsverzeichnis Preface; 1. Make a folding tetrahedron; 2. Six pyramids make a cube; 3. Three pyramids make a cube; 4. The Shinsei Mystery; 5. The car jam; 6. The flight controller's nightmare; 7. The vanishing act; 8. Mystifying matchsticks; 9. Calculator cricket; 10. Generating straight-line motion; 11. Make a mobile to defy gravity; 12. The triangular building site; 13. Ring the triangle; 14. K9 or one man and his dog; 15. The anti-litter campaign; 16. The railcar terminus; 17. Paving the patio; 18. Make a twistable tetrahedral torus; 19. Seeing is believing; 20. Spot the pattern; 21. Investigations on a 5 x 5 pinboard; 22. Chessboard tours; 23. Mind stretching; 24. One step forward, march!; 25. Coin magic; 26. The persistent frog; 27. Tidy that bookshelf!; 28. Square a Greek cross; 29. The fuel delivery; 30. Fair shares; 31. Move a queen; 32. Rolling cubes; 33. Make yourself a harmonograph; 34. Make a matchbox computer; 35. More matchstick mindbenders; 36. Tails up!; 37. Dovetailed; 38. Impossible rotations!; 39. Problems of single line working; 40. Solitaire; 41. All change; 42. Pegs progress; 43. Pinboard triangles; 44. Rigid structures in two dimensions; 45. Rigid structures in three dimensions; 46. A lover's ultimatum!; 47. Only four lines!; 48. Dividing the inheritance; 49. Triangulating a square; 50. Who is 'it'?; 51. Find the cards on the table; 52. Reafforestation; 53. The rolling cube game; 54. Two at a time; 55. The prisoner's perambulations; 56. Crossed lines; 57. Bridging the river; 58. Crossing the desert; 59. Can you help the motorway designer?; 60. Who nobbled the racehorse?; 61. Court card capers; 62. Heads and tails; 63. The chapel hymnboard; 64. Find the radius of the circle; 65. As easy as ABC; 66. Fill the corners; 67. The end of the world!; 68. How many will you take?; 69. Envelopes of curves; 70. Four more ways to form an ellipse; 71. Parabolas; 72. The snowflake curves; 73. The staircase paradox; 74. Historical estimates; 75. What was the sum?; 76. Prelude to a marathon; 77. Dr Numerati's telephone number; 78. A magic diamond; 79. Palindromic dates; 80. The sponsored marathon; 81. A calculator crossword; 82. Variable based triangles; 83. Multiplying by three; 84. The hydrocarbons; 85. Designing a new dartboard; 86. The car importer; 87. Look before you leap!; 88. Find the digits; 89. The effect of inflation; 90. Octogenarian occupations; 91. Prime factors; 92. Remove a rectangle; 93. Subtraction to addition; 94. A Russian two-step; 95. Magic squares revisited; 96. Do you know your birthday?; 97. What scores are possible?; 98. The elusive digit; 99. Chains of cube sums; 100. Prime magic; 101. Surprise, surprise!; 102. Identical twins, quads and triplets; 103. Squares and cubes; 104. Calculator golf; 105. Fox and geese; 106. All present; 107. Postage due; 108. Ann's tower; 109. Reconstructing the manor house; 110. The blanket box; 111. Three in a line; 112. Topsy-turvy; 113. Divisibility; 114. Calculator challenges; 115. The Giant and the Dwarfs; 116. Rhyme around; 117. The Ruby wedding; 118. The medieval courtyard; 119. Fill the gaps; 120. Find the route; 121. 501 up!; 122. One, two, three, four, five ...; 123. Crossed ladders; 124. Target; 125. Ones and zeros; 126. A cautionary tale; 127. Another calculator crossword; Further resources; Index....
