Even More Mathematical Activities

Cover......Page 1
Title......Page 3
Copyright......Page 4
CONTENTS......Page 5
Preface......Page 10
1 Three-dimensional noughts and crosses......Page 11
3 One-upmanship!......Page 12
5 Inside and out......Page 13
6 A matchstick miscellany......Page 14
8 An elephantine hole......Page 15
9 Octagonal operations......Page 16
10 Delving into dissections......Page 18
11 The jeweller's chain......Page 20
13 Two wrongs make a right......Page 21
15 The economy cut......Page 22
16 The area of a parallelogram......Page 23
18 Folding 60° angles......Page 24
19 Megalithic mathematics......Page 26
20 Loading the ferry......Page 30
23 Another number pattern......Page 31
24 The L-game......Page 32
25 One hundred up!......Page 33
26 Mancala......Page 34
27 Tsyanshidzi......Page 36
28 Intersecting lines......Page 37
29 Make a rectangle......Page 38
31 The dishonest gold exporter......Page 39
33 All touching......Page 40
34 Mechanism miscellany......Page 41
35 Patchwork patterns......Page 44
36 Fun with subtraction......Page 48
38 Guess the number......Page 50
41 The prime gaps......Page 51
43 Truncating primes......Page 52
45 The police officer's beat......Page 53
47 The Embassy reception......Page 54
49 Getting to know the octahedron......Page 55
50 The stamp machine......Page 61
51 Investigating books of postage stamps......Page 62
52 Designing an efficient ruler......Page 63
54 Three of a kind......Page 64
55 Rearranging the hospital ward......Page 65
56 Tangrams......Page 66
58 Mixed doubles......Page 67
60 Pythagoras revisited......Page 68
61 The Maltese cross mechanism......Page 71
62 The geometry of rotary pumps......Page 72
63 Calendar capers......Page 76
64 The travelling salesman problem......Page 78
65 The volume of a hemisphere......Page 81
68 Loop-line limitations......Page 84
70 A topological trick......Page 85
72 Hidden shapes......Page 86
73 Sim......Page 87
74 Boxes......Page 88
75 Measuring the gear of a bicycle......Page 89
76 Three-dimensional doodles......Page 94
78 About turn!......Page 96
79 Round and around......Page 97
80 Insights into the icosahedron......Page 98
83 How large a number can you make......Page 100
84 Surakarta......Page 101
85 Catch your shadow......Page 103
87 Can you help the block manufacturer?......Page 104
89 Amoeboid patterns......Page 105
90 Make squares......Page 106
91 Measuring the bounce of a ball......Page 107
92 Seeing is believing......Page 109
93 Band constructions......Page 110
Construct a line at right angles to a given line......Page 111
94 Thwaites' conjecture......Page 112
95 Cryptarithms and alphametic puzzles......Page 113
96 Community coppers......Page 114
97 Exactly six primes......Page 115
98 Magic polygons......Page 116
100 Sweeping the park efficiently......Page 117
101 Connecting the fire hydrants......Page 118
102 Traffic engineering......Page 119
104 Sort these out......Page 120
107 1984 revisited......Page 121
109 Food for thought!......Page 122
I l l Nine Men's Morris......Page 124
114 Matrix manoeuvres......Page 126
117 Thinking time......Page 127
119 Robotics......Page 128
120 Improve your chances at Monopoly......Page 129
122 Carving up the camels......Page 132
125 The chocolate manufacturer's dilemma......Page 133
127 Toilet tissue thickness......Page 134
129 Multiplication squares......Page 135
130 Reinforcing the number line......Page 136
131 A fascinating family of square numbers......Page 137
133 Intersecting circles......Page 138
1 Three-dimensional noughts and crosses......Page 139
2 Don't be square......Page 140
4 Which rectangles are possible?......Page 141
5 Inside and out......Page 142
6 A matchstick miscellany......Page 143
9 Octagonal operations......Page 144
10 Delving into dissections......Page 145
11 The jeweller's chain......Page 148
13 Two wrongs make a right......Page 149
16 The area of a parallelogram......Page 150
18 Folding 60° angles......Page 151
20 Loading the ferry......Page 153
21 A symmetric cross-number puzzle......Page 154
25 One hundred up!......Page 155
27 Tsyanshidzi......Page 156
28 Intersecting lines......Page 157
29 Make a rectangle......Page 158
31 The dishonest gold exporter......Page 159
34 Mechanism miscellany......Page 160
36 Fun with subtraction......Page 161
39 Trackwords......Page 162
42 Always one short......Page 164
43 Truncating primes......Page 165
45 The police officer's beat......Page 166
47 The Embassy reception......Page 167
49 Getting to know the octahedron......Page 168
51 Investigating books of postage stamps......Page 169
52 Designing an efficient ruler......Page 172
53 Number the sectors......Page 173
54 Three of a kind......Page 174
56 Rearranging the hospital ward......Page 177
59 Ever more triangles and squares......Page 178
62 The geometry ofrotary pumps......Page 179
63 Calendar capers......Page 180
64 The travelling salesman problem......Page 181
66 Transformation treasure trove......Page 182
68 Loop-line limitations......Page 183
69 Which was the winning strategy?......Page 184
71 Parallel constraints......Page 185
72 Hidden shapes......Page 187
75 Measuring the gear of a bicycle......Page 188
77 Palindromic termini......Page 189
79 Round and around......Page 190
82 Fascinating fractions......Page 192
83 How large a number can you make?......Page 193
86 Number pyramids......Page 194
88 The Old Girls' reunion......Page 195
89 Amoeboid patterns......Page 196
91 Measuring the bounce of a ball......Page 197
93 Band constructions......Page 198
95 Cryptarithms and alphametic puzzles......Page 199
96 Community coppers......Page 200
98 Magic polygons......Page 201
99 Quartering a circle......Page 203
100 Sweeping the park efficiently......Page 204
102 Traffic engineering......Page 205
103 The shunting yard......Page 207
105 The ship's masts......Page 208
108 Kirkman's schoolgirls problem......Page 209
109 Food for thought!......Page 210
111 Nine Men's Morris......Page 211
114 Matrix manoeuvres......Page 212
116 Plans and elevations......Page 213
117 Thinking time......Page 214
120 Improve your chances at Monopoly......Page 215
122 Carving up the camels......Page 216
124 Calculator contortions......Page 217
127 Toilet tissue thickness......Page 218
129 Multiplication squares......Page 219
131 A fascinating family of square numbers......Page 220
133 Intersecting circles......Page 221
Books......Page 222
Other sources......Page 224
INDEX......Page 225