The Legendary 121 Club - Mathematics Shed€¦ · The Legendary 121 Club 12 x 3 12 x 12 1.2 x 3 13...

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Transcript of The Legendary 121 Club - Mathematics Shed€¦ · The Legendary 121 Club 12 x 3 12 x 12 1.2 x 3 13...

  • The Legendary 121 Club

    12 x 3 12 x 12 1.2 x 3

    13 x 4 2.4 10 2.4 6

    14 x 5 13 x 13 1.3 x 4

    15 x 6 126 3 126 2

    8 x 12 14 x 14 1.4 x 5

    7 x 8 57 19 57 3

    18 x 3 15 x 15 1.5 x 6

    3 x 12 535 5 57 19

    4 x 13 20 x 6 1.8 x 3

    15 x 7 7.2 100 535 5

    36 3 30 x 8 3/5 x 100

    20 x 16 25 0.5 6(20)

    52 4 40 x 20 4/6 x 36

    4 x 22 280 40 20(6)

    70 14 16 x 8 3/8 x 72

    8 x 16 95 5 64 90 6 22 x 4 2.5 x 10

    20 x 40 280 70 121 96 12 11 x 11 3.6 x 2

    8 x 30 140 20 196 56 7 16 x 20 107 x 5

    6 x 20 128 8 225 54 18 17 x 5 19 x 3

    36 1 28 x 10 3 x 19

  • 4 of 200 4 x 4 x 4

    52 3 5 x 5 x 5

    20 250 19 x 4

    105 5 18 x 5

    39 x 3 17 x 6

    9 x 60 of 1200

    of 80 of 1200

    of 80 of 1200

    of 17 18 of 1200 17 x 38 of 240 80 x 21 x 6

    2 x 2 x 2 5 of 240 43 x 2 4 x .6

    27 x 3 117 3

    40 x 80 of 240

    70 x 60 16 x 5

    20 squared 4 x 19

    121 11 5 x 18

    1.7 x 5 6 x 17

    144 12 3 x 34

    2.2 x 4 8 x 40

    3 x 39 60 x 7

    88 22 3 x 27

    3 x 3 x 3 86 2

  • The Legendary 144 Club

    63 x 5 315 2170 .07 300 x 11 3300

    6 + 2 40 699 x 1 699 11 x 300 3300

    4 64 699 x 0 0 10 x 100 1000

    5 125 6991 699 20 x 33 660

    4+5 189 6990 0 54 x 3 162

    5 x 63 315 3331 333 100 x 10 1000

    2+6 40 33310 33.3 33 x 20 660

    5+4 189 333.10 3330 3 x 54 162

    3155 63 0 0 1000 10 100

    31563 5 .5x6 3 1000100 10

    (3+5)x7 56 10% of 72 7.2 660 20 33

    (7+2)x8 72 20% of 72 14.4 660 33 20

    (3+3)x4 24 5% of 72 3.6 162 54 3

    7x 30 210 103 x 4 412 162 3 54

    30 x 7 210 206 x 5 1030 6(.25) 1.5

    3x 70 210 88810 88.8 60(.25) 15

    .7 x 3 2.1 20 8000 600(.25) 150

    50 2500 30 900 884 22

    .5 .25 50 x 50 2500 888 11

    2107 30 40 1600 8816 5.5

    21070 3 412103 4 22x4 88

    2103 70 4124 103 11x8 88

    21030 7 1030206 5 5.5x16 88

    2130 .7 10305 206 1000000 1000

  • The Legendary 144 Club

    63 x 5 2170 300 x 11

    6 + 2 699 x 1 11 x 300

    4 699 x 0 10 x 100

    5 6991 20 x 33

    4+5 6990 54 x 3

    5 x 63 3331 100 x 10

    2+6 33310 33 x 20

    5+4 333.10 3 x 54

    3155 0 1000 10

    31563 .5x6 1000100

    (3+5)x7 10% of 72 660 20

    (7+2)x8 20% of 72 660 33

    (3+3)x4 5% of 72 162 54

    7x 30 103 x 4 162 3

    30 x 7 206 x 5 6(.25)

    3x 70 88810 60(.25)

    .7 x 3 20 600(.25)

    50 30 884

    .5 50 x 50 888

    2107 40 8816

    21070 412103 22x4

    2103 4124 11x8

    21030 1030206 5.5x16

    2130 10305 1000000

  • The Legendary 144 Club

    7 x 8 56 16 x 3 48 .10 x 18 1.8

    152 7.5 5(14) 70 50 x 17 850

    15 x 9 135 18 x .10 1.8 5 x 17 85

    23010 23 6+8x2 22 5 x 170 850

    20 400 34 x 20 680 3 x 16 48

    230100 2.3 6x2+8 20 .5 x 17 8.5

    12 x 13 156 17 x 5 85 6 x 19 114

    2301000 .23 7+15 64 855 17

    11 x 11 121 8 x 8 64 3 x 20 60

    of 80 40 2+3 17 .6 x 200 120

    28 x .25 7 19 x 6 114 2 x 30 60

    of 80 20 1282 64 6002 300

    64 x .75 48 20 x 3 60 5 x 2.2 11

    of 80 60 2564 64 4816 3

    8 x 7 56 30 x 2 60 16 x 8

    1 1 12864 2 483 16

    9 x 15 135 2.2 x 5 11 2 x 48 96

    1 1 2568 32 15613 12

    400 20 x 16 8 1.5 x 9 13.5 10 100 12802 640 135 9 15

    13 x 12 156 10% of 11 1.1 9 x 1.5 13.5

    10 1000 256080 32 5608 70

    .25 x 28 7 48 x 2 96 28 x .25 7

    14(5) 70 25680 3.2 560 7 80

  • The Legendary 144 Club

    7 x 8 16 x 3 .10 x 18

    152 5(14) 50 x 17

    15 x 9 18 x .10 5 x 17

    23010 6+8x2 5 x 170

    20 34 x 20 3 x 16

    230100 6x2+8 .5 x 17

    12 x 13 17 x 5 6 x 19

    2301000 7+15 855

    11 x 11 8 x 8 3 x 20

    of 80 2+3 .6 x 200

    28 x .25 19 x 6 2 x 30

    of 80 1282 6002

    64 x .75 20 x 3 5 x 2.2

    of 80 2564 4816

    8 x 7 30 x 2 16 x

    1 12864 483

    9 x 15 2.2 x 5 2 x 48

    1 2568 15613

    400 x 16 1.5 x 9 10 12802 135 9

    13 x 12 10% of 11 9 x 1.5

    10 256080 5608

    .25 x 28 48 x 2 28 x .25

    14(5) 25680 560 7

  • The 169 Club!

    1 7x 8 56 32 5x 22 110 62 14x4 56

    2 13x13 169 33 6x23 138 63 15x5 75

    3 16x6 96 34 7x24 168 64 567 8

    4 17x7 119 35 8x25 200 65 568 7

    5 18x8 144 36 2.2x5 11 66 16913 13

    6 19x9 171 37 2.3x 6 13.8 67 966 16

    7 20x11 220 38 2.4x7 16.8 68 1197 17

    8 1.3x10 13 39 2.5x8 20 69 1448 18

    9 1.6x6 9,6 40 11022 5 70 9.66 1.6

    10 1.7x7 11.9 41 1105 22 71 11.97 1.7

    11 1.8x8 14.4 42 1386 23 72 14.48 1.8

    12 1.9x9 17.1 43 13823 6 73 107x 2 214

    13 5x5x5 125 44 1687 24 74 208x3 624

    14 6x6x5 180 45 16824 7 75 309x4 1236

    15 7x7x5 245 46 20025 8 76 5x35 175

    16 8x8x5 320 47 2008 25 77 160x3 480

    17 3x1;3 3.9 48 0x 34 0 78 6x200 1200

    18 4x14 56 49 34x0 0 79 0x34 0

    19 5x15 75 50 130x2 260 80 2x130 260

    20 6x16 96 51 160x 3 480 81 3x160 480

    21 7x17 119 52 200x 6 1200 82 12002 600

    22 8x18 144 53 4.2x5 21 83 215 4,2

    23 9x19 171 54 2x130 260 84 2602 130

    24 11x20 220 55 3x160 480 85 4803 160

    25 3.1 x4 12.4 56 6x200 1200 86 1053 35

    26 4.2x5 21 57 5x4.2 21 87 10535 3

    27 5.3x6 31.8 58 4x50% 2 88 633 21

    29 6.4x 7 44.8 59 4x25% 1 89 1004 25

    30 7.5x8 60 60 4x100% 4 90 2008 25

    31 13x3 39 61 35x3 105 91 40016 25

  • 92 1 1 119 1 1 146 x1 93 10 100 120 100 10 147 1x 94 100 10000 121 10000 100 148 x 95 2 4 122 4 2 149 .5x1 ,5 96 20 400 123 400 20 150 1x.5 .5 97 200 40000 124 40000 200 151 .5x.5 .25 98 3 9 125 9 3 152 11x 5.5 99 30 900 126 900 30 153 110x 55 100 300 90000 127 90000 300 154 x11 5.5 101 1 1 128 16(1/2) 8 155 x 110 55

    102 10 1000 129 160(1/2) 80 156 5502 225

    103 2 8 130 16(1/4) 4 157 552 22.5

    104 3 27 131 16(3/4) 12 158 63x 31.5

    105 of 16 8 132 160(3/4) 120 159 x 63 31.5

    106 of 160 80 133 13211 12 160 630x 315

    107 of 16 4 134 13212 11 161 x 630 315

    108 of 160 40 135 968 12 162 78x2 156

    109 of 16 12 136 9612 8 163 84x3 252

    110 of 160 120 137 14412 12 164 2523 84

    111 7(8) 56 138 144 12 165 25284 3 112 8(7) 56 139 8001 800 166 1562 78

    113 12x11 132 140 80010 80 167 15678 2

    114 12x8 96 141 80020 40 168 111x.10 11.1

    115 12x12 144 142 80040 20 169 111x.01 1.11

    116 11x12 132 143 800100 8 Time Score

    117 8x12 96 144 800200 4

    118 .5x144 72 145 800400 2

  • The 169 Club!

    1 7x 8 32 5x 22 62 14x4

    2 13x13 33 6x23 63 15x5

    3 16x6 34 7x24 64 567

    4 17x7 35 8x25 65 568

    5 18x8 36 2.2x5 66 16913

    6 19x9 37 2.3x 6 67 966

    7 20x11 38 2.4x7 68 1197

    8 1.3x10 39 2.5x8 69 1448

    9 1.6x6 40 11022 70 9.66

    10 1.7x7 41 1105 71 11.97

    11 1.8x8 42 1386 72 14.48

    12 1.9x9 43 13823 73 107x 2

    13 5x5x5 44 1687 74 208x3

    14 6x6x5 45 16824 75 309x4

    15 7x7x5 46 20025 76 5x35

    16 8x8x5 47 2008 77 160x3

    17 3x1;3 48 0x 34 78 6x200

    18 4x14 49 34x0 79 0x34

    19 5x15 50 130x2 80 2x130

    20 6x16 51 160x 3 81 3x160

    21 7x17 52 200x 6 82 12002

    22 8x18 53 4.2x5 83 215

    23 9x19 54 2x130 84 2602

    24 11x20 55 3x160 85 4803

    25 3.1 x4 56 6x200 86 1053

    26 4.2x5 57 5x4.2 87 10535

    27 5.3x6 58 4x50% 88 633

    29 6.4x 7 59 4x25% 89 1004

    30 7.5x8 60 4x100% 90 2008

    31 13x3 61 35x3 91 40016

  • 92 1 119 1 146 x1 93 10 120 100 147 1x 94 100 121 10000 148 x 95 2 122 4 149 .5x1 96 20 123 400 150 1x.5 97 200 124 40000 151 .5x.5 98 3 125 9 152 11x 99 30 126 900 153 110x 100 300 127 90000 154 x11 101 1 128 16(1/2) 155 x 110

    102 10 129 160(1/2) 156 5502

    103 2 130 16(1/4) 157 552

    104 3 131 16(3/4) 158 63x

    105 of 16 132 160(3/4) 159 x 63

    106 of 160 133 13211 160 630x

    107 of 16 134 13212 161 x 630

    108 of 160 135 968 162 78x2

    109 of 16 136 9612 163 84x3

    110 of 160 137 14412 164 2523

    111 7(8) 138 144 165 25284 112 8(7) 139 8001 166 1562

    113 12x11 140 80010 167 15678

    114 12x8 141 80020 168 111x.10

    115 12x12 142 80040 169 111x.01

    116 11x12 143 800100

    117 8x12 144 800200

    118 .5x144 145 800400

  • The 196 Club!

    1 7x 8 35 5x 22 69 14x4

    2 13x13 36 6x23 70 15x5

    3 16x6 37 7x24 71 567

    4 17x7 38 8x25 72 568

    5 18x8 39 2.2x5 73 16913

    6 19x9 40 2.3x 6 74 966

    7 20x11 41 2.4x7 75 1197

    8 1.3x10 42 2.5x8 76 1448

    9 1.6x6 43 11022 77 9.66

    10 1.7x7 44 1105 78 11.97

    11 1.8x8 45 1386 79 14.48

    12 1.9x9 46 13823 80 107x 2

    13 5x5x5 47 1687 81 208x3

    14 6x6x5 48 16824 82 309x4

    15 7x7x5 49 20025 83 5x35

    16 8x8x5 50 2008 84 160x3

    17 3x1;3 51 0x 34 85 6x200

    18 4x14 52 34x0 86 0x34

    19 5x15 53 130x2 87 2x130

    20 6x16 54 160x 3 88 3x160

    21 7x17 55 200x 6 89 12002

    22 8x18 56 4.2x5 90 215

    23 9x19 57 2x130 91 2602

    24 11x20 58 3x160 92 4803

    25 3.1 x4 59 6x200 93 1053

    26 4.2x5 60 5x4.2 94 10535 27 5.3x6 61 4x50% 95 633

    28 45 x 30 62 4x25% 96 1004

    29 6.4x 7 63 4x100% 97 2008

    30 7.5x8 64 35x3 98 40016

    31 13x3 65 1 99 x1 32 1 66 100 100 1x 33 10 67 10000 101 x 34 100 68 .5x1 102 3.3 doubled

  • 103 2 141 1x.5 179 of 36

    104 20 142 .5x.5 180 of 360

    105 200 143 11x 181 of 1600

    106 3 144 110x 182 of 160

    107 30 145 x11 183 of 0.16

    108 300 146 x 110 184 of 0.160

    109 1 147 5502 185 7(9)

    110 10 148 552 186 8(70)

    111 2 149 63x 187 12x110

    112 3 150 x 63 188 12x80

    113 of 16 151 630x 189 12x120

    114 of 160 152 x 630 190 144 115 of 16 153 78x2 191 289 116 of 160 154 84x3 192 40000 117 of 16 155 2523 193 9 118 of 160 156 25284 194 90 squared

    119 7(8) 157 1562 195 600 squared

    120 8(7) 158 15678 196 16(1/4)

    121 12x11 159 111x.10

    122 12x8 160 111x.01

    123 12x12 161 208x30

    124 4 162 309x40 125 400 163 5x350 126 40000 164 160x30 127 9 165 6x2000 128 900 166 0x34.1 129 90000 167 2x1300 130 16(1/2) 168 3x190

    131 160(1/2) 169 12004

    132 16(1/4) 170 210.7

    133 16(3/4) 171 26020

    134 160(3/4) 172 4808

    135 13211 173 105x5

    136 13212 174 1051.05

    137 968 175 663.3

    138 9612 176 1005

    139 14412 177 20010

    140 144 178

  • 1 1 1 51 1 101 x1 2 10 100 52 10 102 1x 3 100 10000 53 100 103 x 4 2 4 54 4 2 104 .5x1 ,5 5 20 400 55 4 20 105 1x.5 .5 6 200 40000 56 4 200 106 .5x.5 .25 7 3 9 57 9 3 107 11x 5.5 8 30 900 58 9 30 108 110x 55 9 300 90000 59 9 300 109 x11 5.5 10 1 1 60 16(1/2) 8 110 x 110 55

    11 10 1000 61 160(1/2) 80 111 5502 225

    12 2 8 62 16(1/4) 4 12 552 22.5

    13 3 27 63 16(3/4) 12 113 63x 31.5

    14 of 16 8 64 160(3/4) 120 114 x 63 31.5

    15 of 160 80 65 13211 12 115 630x 315

    16 of 16 4 66 13212 11 116 x 630 315

    17 of 160 40 67 968 12 117 78x2 156

    18 of 16 12 68 9612 8 118 84x3 252

    19 of 160 120 69 14412 12 119 2523 84

    20 7(8) 56 70 44 12 120 25284 3 21 8(7) 56 71 8001 800 121 1562 78

    22 12x11 132 72 80010 80 122 15678 2

    23 12x8 96 73 80020 40 123 111x.10 11.1

    24 12x12 144 74 80040 20 124 111x.01 1.11

    25 11x12 132 75 800100 8 125 3x160 480

    26 8x12 96 76 800200 4 126 6x200 1200

    27 .5x144 72 77 800400 2 127 5x4.2 21

    28 5x 22 110 78 14x4 56 128 4x50% 2

    29 6x23 138 79 15x5 75 129 4x25% 1

    30 7x24 168 80 567 8 130 4x100% 4

    31 8x25 200 81 568 7 131 35x3 105

    32 2.2x5 11 82 16913 13 132 11x20 220

    33 2.3x 6 13.8 83 966 16 133 3.1 x4 12.4

    34 2.4x7 16.8 84 1197 17 134 4.2x5 21

    35 2.5x8 20 85 1448 18 135 5.3x6 31.8

    36 11022 5 86 9.66 1.6 136 6.4x 7 44.8

    37 1105 22 87 11.97 1.7 137 7.5x8 60

    38 1386 23 88 14.48 1.8 138 13x3 39

    39 13823 6 89 107x 2 214 139 3x2x4 24

    40 1687 24 90 208x3 624 140 2x4x5 40

    41 16824 7 91 309x4 1236 141 4x5x6 120

    42 20025 8 92 5x35 175 142 5x6x7 210

    43 2008 25 93 160x3 480 143 30x2x4 240

    44 0x 34 0 94 6x200 1200 144 30x20x4 2400

    45 34x0 0 95 0x34 0 145 30x20x40 24000

    46 130x2 260 96 2x130 260 146 20x4x5 400

    47 160x 3 480 97 3x160 480 147 20x40x5 4000

    48 200x 6 1200 98 12002 600 148 20x40x50 40000

    49 4.2x5 21 99 215 4,2 149 40x5x6 1200

    50 2x130 260 100 2602 130 150 40x50x6 12000

  • 151 7x 8 56 201 +

    Congratulations

    you are a

    member of the

    mathematical

    genius club

    known only to a

    privileged few

    you are a

    member of the

    152 13x13 169 202 + 3/6 153 16x6 96 203 (12) 9

    154 17x7 119 204 (24) 18

    155 18x8 144 205 (120) 90

    156 19x9 171 206 (240) 180

    157 20x11 220 207 73 x 2 146

    158 1.3x10 13 208 37 x 2 74

    159 1.6x6 9,6 209 106 x 4 424

    160 1.7x7 11.9 210 204 x 3 612

    161 1.8x8 14.4 211 4 x 106 424

    162 1.9x9 17.1 212 3 x 204 612

    163 5x5x5 125 213 73 x 20 1460

    164 6x6x5 180 214 730 x 2 1460

    165 7x7x5 245 215 370 x 2 740

    166 8x8x5 320 216 37 x 20 740

    167 3x1;3 3.9 217 14673 2

    168 4x14 56 218 6123 204

    169 5x15 75 219 14602 730

    170 6x16 96 220 74020 37

    171 7x17 119 221 65% of 200 130

    172 8x18 144 222 98% of 300 294

    173 9x19 171 223 16% of 400 64

    174 11x20 220 224 28% of 500 140

    175 3.1 x4 12.4 225 123 x 67 8241

    176 4.2x5 21

    Two Hundred and Twenty Five Club!

    225

    177 5.3x6 31.8

    178 6.4x 7 44.8

    179 7.5x8 60

    180 13x3 39

    181 7x 8 56

    182 13x13 169

    183 4803 160

    184 1053 35

    185 10535 3

    186 633 21

    187 1004 25

    188 2008 25

    189 40016 25

    190 2x2x2x.5 4

    191 4x4x4x.25 16

    192 5x5x5x10 1250

    193 27x2 54

    194 27x4 108

    195 270x2 540

    196 270x4 1080

    197 27x.2 5.4

    198 27x.4 10.80

    199 10% of 33 3.3

    200 20% of 33 6.6

  • 1 1 51 101 x1 2 10 52 102 1x 3 100 53 103 x 4 2 54 4 104 .5x1 5 20 55 4 105 1x.5 6 200 56 4 106 .5x.5 7 3 57 9 107 11x 8 30 58 9 108 110x 9 300 59 9 109 x11 10 1 60 16(1/2) 110 x 110

    11 10 61 160(1/2) 111 5502

    12 2 62 16(1/4) 12 552

    13 3 63 16(3/4) 113 63x

    14 of 16 64 160(3/4) 114 x 63

    15 of 160 65 13211 115 630x

    16 of 16 66 13212 116 x 630

    17 of 160 67 968 117 78x2

    18 of 16 68 9612 118 84x3

    19 of 160 69 14412 119 2523

    20 7(8) 70 44 120 25284 21 8(7) 71 8001 121 1562

    22 12x11 72 80010 122 15678

    23 12x8 73 80020 123 111x.10

    24 12x12 74 80040 124 111x.01

    25 11x12 75 800100 125 3x160

    26 8x12 76 800200 126 6x200

    27 .5x144 77 800400 127 5x4.2

    28 5x 22 78 14x4 128 4x50%

    29 6x23 79 15x5 129 4x25%

    30 7x24 80 567 130 4x100%

    31 8x25 81 568 131 35x3

    32 2.2x5 82 16913 132 11x20

    33 2.3x 6 83 966 133 3.1 x4

    34 2.4x7 84 1197 134 4.2x5

    35 2.5x8 85 1448 135 5.3x6

    36 11022 86 9.66 136 6.4x 7

    37 1105 87 11.97 137 7.5x8

    38 1386 88 14.48 138 13x3

    39 13823 89 107x 2 139 3x2x4

    40 1687 90 208x3 140 2x4x5

    41 16824 91 309x4 141 4x5x6

    42 20025 92 5x35 142 5x6x7

    43 2008 93 160x3 143 30x2x4

    44 0x 34 94 6x200 144 30x20x4

    45 34x0 95 0x34 145 30x20x40

    46 130x2 96 2x130 146 20x4x5

    47 160x 3 97 3x160 147 20x40x5

    48 200x 6 98 12002 148 20x40x50

    49 4.2x5 99 215 149 40x5x6

    50 2x130 100 2602 150 40x50x6

  • 151 7x 8 201 +

    Congratulations

    you are a

    member of the

    mathematical

    genius club

    known only to a

    privileged few

    you are a

    member of the

    152 13x13 202 + 153 16x6 203 (12)

    154 17x7 204 (24)

    155 18x8 205 (120)

    156 19x9 206 (240)

    157 20x11 207 73 x 2

    158 1.3x10 208 37 x 2

    159 1.6x6 209 106 x 4

    160 1.7x7 210 204 x 3

    161 1.8x8 211 4 x 106

    162 1.9x9 212 3 x 204

    163 5x5x5 213 73 x 20

    164 6x6x5 214 730 x 2

    165 7x7x5 215 370 x 2

    166 8x8x5 216 37 x 20

    167 3x1;3 217 14673

    168 4x14 218 6123

    169 5x15 219 14602

    170 6x16 220 74020

    171 7x17 221 65% of 200

    172 8x18 222 98% of 300

    173 9x19 223 16% of 400

    174 11x20 224 28% of 500

    175 3.1 x4 225 123 x 67

    176 4.2x5

    Two Hundred and Twenty Five Club!

    225

    177 5.3x6

    178 6.4x 7

    179 7.5x8

    180 13x3

    181 7x 8

    182 13x13

    183 4803

    184 1053

    185 10535

    186 633

    187 1004

    188 2008

    189 40016

    190 2x2x2x.5

    191 4x4x4x.25

    192 5x5x5x10

    193 27x2

    194 27x4

    195 270x2

    196 270x4

    197 27x.2

    198 27x.4

    199 10% of 33

    200 20% of 33

  • 1 1 1 51 1 101 x1 2 10 100 52 10 102 1x 3 100 10000 53 100 103 x 4 2 4 54 4 2 104 .5x1 ,5 5 20 400 55 4 20 105 1x.5 .5 6 200 40000 56 4 200 106 .5x.5 .25 7 3 9 57 9 3 107 11x 5.5 8 30 900 58 9 30 108 110x 55 9 300 90000 59 9 300 109 x11 5.5 10 1 1 60 16(1/2) 8 110 x 110 55

    11 10 1000 61 160(1/2) 80 111 5502 225

    12 2 8 62 16(1/4) 4 12 552 22.5

    13 3 27 63 16(3/4) 12 113 63x 31.5

    14 of 16 8 64 160(3/4) 120 114 x 63 31.5

    15 of 160 80 65 13211 12 115 630x 315

    16 of 16 4 66 13212 11 116 x 630 315

    17 of 160 40 67 968 12 117 78x2 156

    18 of 16 12 68 9612 8 118 84x3 252

    19 of 160 120 69 14412 12 119 2523 84

    20 7(8) 56 70 44 12 120 25284 3 21 8(7) 56 71 8001 800 121 1562 78

    22 12x11 132 72 80010 80 122 15678 2

    23 12x8 96 73 80020 40 123 111x.10 11.1

    24 12x12 144 74 80040 20 124 111x.01 1.11

    25 11x12 132 75 800100 8 125 3x160 480

    26 8x12 96 76 800200 4 126 6x200 1200

    27 .5x144 72 77 800400 2 127 5x4.2 21

    28 5x 22 110 78 14x4 56 128 4x50% 2

    29 6x23 138 79 15x5 75 129 4x25% 1

    30 7x24 168 80 567 8 130 4x100% 4

    31 8x25 200 81 568 7 131 35x3 105

    32 2.2x5 11 82 16913 13 132 11x20 220

    33 2.3x 6 13.8 83 966 16 133 3.1 x4 12.4

    34 2.4x7 16.8 84 1197 17 134 4.2x5 21

    35 2.5x8 20 85 1448 18 135 5.3x6 31.8

    36 11022 5 86 9.66 1.6 136 6.4x 7 44.8

    37 1105 22 87 11.97 1.7 137 7.5x8 60

    38 1386 23 88 14.48 1.8 138 13x3 39

    39 13823 6 89 107x 2 214 139 3x2x4 24

    40 1687 24 90 208x3 624 140 2x4x5 40

    41 16824 7 91 309x4 1236 141 4x5x6 120

    42 20025 8 92 5x35 175 142 5x6x7 210

    43 2008 25 93 160x3 480 143 30x2x4 240

    44 0x 34 0 94 6x200 1200 144 30x20x4 2400

    45 34x0 0 95 0x34 0 145 30x20x40 24000

    46 130x2 260 96 2x130 260 146 20x4x5 400

    47 160x 3 480 97 3x160 480 147 20x40x5 4000

    48 200x 6 1200 98 12002 600 148 20x40x50 40000

    49 4.2x5 21 99 215 4,2 149 40x5x6 1200

    50 2x130 260 100 2602 130 150 40x50x6 12000

  • 151 7x 8 56 201 +

    Congratulations

    you are a

    member of the

    mathematical

    genius club

    known only to a

    privileged few

    you are a

    member of the

    152 13x13 169 202 + 3/6 153 16x6 96 203 (12) 9

    154 17x7 119 204 (24) 18

    155 18x8 144 205 (120) 90

    156 19x9 171 206 (240) 180

    157 20x11 220 207 73 x 2 146

    158 1.3x10 13 208 37 x 2 74

    159 1.6x6 9,6 209 106 x 4 424

    160 1.7x7 11.9 210 204 x 3 612

    161 1.8x8 14.4 211 4 x 106 424

    162 1.9x9 17.1 212 3 x 204 612

    163 5x5x5 125 213 73 x 20 1460

    164 6x6x5 180 214 730 x 2 1460

    165 7x7x5 245 215 370 x 2 740

    166 8x8x5 320 216 37 x 20 740

    167 3x1;3 3.9 217 14673 2

    168 4x14 56 218 6123 204

    169 5x15 75 219 14602 730

    170 6x16 96 220 74020 37

    171 7x17 119 221 65% of 200 130

    172 8x18 144 222 98% of 300 294

    173 9x19 171 223 16% of 400 64

    174 11x20 220 224 28% of 500 140

    175 3.1 x4 12.4 225 123 x 67 8241

    176 4.2x5 21

    Two Hundred and Twenty Five Club!

    225

    177 5.3x6 31.8

    178 6.4x 7 44.8

    179 7.5x8 60

    180 13x3 39

    181 7x 8 56

    182 13x13 169

    183 4803 160

    184 1053 35

    185 10535 3

    186 633 21

    187 1004 25

    188 2008 25

    189 40016 25

    190 2x2x2x.5 4

    191 4x4x4x.25 16

    192 5x5x5x10 1250

    193 27x2 54

    194 27x4 108

    195 270x2 540

    196 270x4 1080

    197 27x.2 5.4

    198 27x.4 10.80

    199 10% of 33 3.3

    200 20% of 33 6.6

  • 1 7x8 56 46 106 x 4 424 91 16 x 3 48

    2 99x3 297 47 204 x 3 612 92 5(14) 70

    3 4x X 6x 24x 48 4 x 106 424 93 18 x .10 1.8

    4 113 x 4 452 49 3 x 204 612 94 6+8x2 22

    5 560 7 80 50 73 x 20 1460 95 34 x 20 680

    6 6(7+8) 90 51 730 x 2 1460 96 6x2+8 20

    7 .5 x 112 56 52 370 x 2 740 97 17 x 5 85

    8 .25x 112 28 53 37 x 20 740 98 7+15 64

    9 .125x 112 14 54 14673 2 99 8 x 8 64

    10 50% of .5 .25 55 6123 204 100 2+3 17

    11 12% of 300 36 56 14602 730 101 19 x 6 114

    12 62% of 50 31 57 74020 37 102 1282 64

    13 13% of 500 65 58 65% of 200 130 103 20 x 3 60

    14 6.5 x 4 26 59 98% of 300 294 104 2564 64

    15 12 144 60 16% of 400 64 105 30 x 2 60

    16 13 169 61 28% of 500 140 106 12864 2

    17 14 196 62 2 8 107 2.2 x 5 11

    18 15 225 63 3 27 108 2568 32

    19 16 256 64 4 64 109 x 16 8

    20 17 289 65 5 125 110 12802 560

    21 18 324 66 20 8000 111 10% of 11 1.1

    22 19 361 67 30 27000 112 256080 32

    23 20 400 68 40 64000 113 48 x 2 96

    24 44 x .75 33 69 500 125000000 114 25680 3.2

    25 .75 x 44 33 70 1.5 x 10 15 115 x

    26 33 .75 44 71 2.5 x 20 50 116 13 x 4 52

    27 44x.5 22 72 3.5 x 30 105 117 4 x 1.3 5.2

    28 .5 x 44 22 73 15 x10 150 118 14 x 5 70

    29 22 .5 44 74 25 x 20 500 119 5 x 1.4 7

    30 5(75) 375 75 35 x 30 1050 120 15 x 6 90

    31 75(5) 375 76 15 1.5 10 121 6 x 1.5 9

    32 10 x 2 x 3 60 77 50 2.5 20 122 16 x 7 112

    33 5 x 4 x2 40 78 105 3.5 30 123 7 x 1.6 11.2

    34 8x7 x3 168 79 1050 30 35 124 14x4 56

    35 246 x 2 492 80 50020 25 125 15x5 75

    36 Double 16 32 81 15010 15 126 567 8

    37 Double 32 64 82 2x10x3 60 127 568 7

    38 Double 64 128 83 4x2x5 40 128 16913 13

    39 Double 128 256 84 7x3x8 168 129 966 16

    40 11 x 11 x2 242 85 369 3 123 130 1197 17

    41 12x12x2 288 86 369 123 3 131 1448 18

    42 13 x 13 x 2 338 87 3 x 123 369 132 9.66 1.6

    43 48 32 8 88 Treble 18 54 133 11.97 1.7

    44 4824 6 89 Treble 19 57 134 14.48 1.8

    45 488x6 36 90 644x4 64 135 123 x 3 369

  • 136 63 x 5 315 181 13 x 10 = 130 226 50 20 2.5

    137 6 + 2 40 182 100 x 10 = 1000 227 105 30 3.5

    138 4x4x4x4 256 183 25 x 7 = 175 228 1050 35 30

    139 5x5x5x5 625 184 37 x 4 = 148 229 50025 20

    140 4+5 189 185 47 x 9 = 423 230 150 15 10

    141 5 x 63 315 186 57 x 3 = 171 231 10 x 1.5 15

    142 2+6 40 187 61 x 3 = 183 232 20 x 2.5 50

    143 5+4 189 188 72 x 4 = 288 233 30 x 3.5 105

    144 3155 63 189 .2 x 2 = .4 234 10 x 15 150

    145 31563 5 190 .8 x 5 = 4 235 20 x 25 500

    146 (3+5)x7 56 191 .2 x 8 = 1.6 236 30 x 35 1050

    147 (7+2)x8 72 192 10 x .8 = 8 237 3755 75

    148 (3+3)x4 24 193 8 x .07 = .56 238 37575 5

    149 7x 30 210 194 .4 x 10 = 4 239 400 20 150 30 x 7 210 195 .2 x 7 = 1.4 240 361 19 151 3x 70 210 196 8 x 8 = 64 241 324 18 152 .7 x 3 2.1 197 .1 x 9 = .9 242 289 17 153 50 2500 198 4 x .8 = 3.2 243 256 16 154 .5 .25 199 .2 x 6 = 1.2 244 225 15 155 2107 30 200 12 x .02 = .24 245 196 14 156 21070 3 201 10 x .09 = .9 246 169 13 157 2103 70 202 7 x .4 = 2.8 247 144 12 158 21030 7 203 .3 x 9 = 2.7 248 4x 6.5 26

    159 2130 .7 204 .7 x 5 = 3.5 249 112x.125 14

    160 5+6 x 7 42 205 .05 x 10 = .5 250 112x.25 28

    161 (5+6) x 7 77 206 10 x .07 = .7 251 112x.5 56

    162 5 +(6x7) 47 207 4 x .6 = 2.4 252 56080 7

    163 3 x4x6+2 74 208 6 x .6 = 3.6 253 4x113 452

    164 3x4x (6+2) 96 209 5 x .8 = 4.0 254 6x X 4x 24x

    165 (3x4) x 6+2 74 210 18 x 10 = 180 255 3x99 297

    166 52 4 13 211 110 x 4 = 440 256 8x7 56

    167 5.2 1.3 4 212 42 x 7 = 294

    Warning

    Maths Genius at Work

    The 256 Club!

    168 70 5 14 213 15 x 9 = 135

    169 7 5 1.4 214 10x18 180

    170 90 15 6 215 4x110 440

    171 112 16 7 216 9x15 135

    172 11.2 7 1.6 217 7x42 294

    173 52 13 4 218 13515 9

    174 5.2 4 1.3 219 1359 15

    175 70 14 5 220 2947 42

    176 7 1.4 5 221 29442 7

    177 90 6 15 222 3x7x8 168

    178 9 6 1.5 223 2x4x5 40

    179 112 7 16 224 3x2x10 60

    180 11.2 16 .7 225 15 10 1.5

  • 1 7x8 46 106 x 4 91 16 x 3

    2 99x3 47 204 x 3 92 5(14)

    3 4x X 6x 48 4 x 106 93 18 x .10

    4 113 x 4 49 3 x 204 94 6+8x2

    5 560 7 50 73 x 20 95 34 x 20

    6 6(7+8) 51 730 x 2 96 6x2+8

    7 .5 x 112 52 370 x 2 97 17 x 5

    8 .25x 112 53 37 x 20 98 7+15

    9 .125x 112 54 14673 99 8 x 8

    10 50% of .5 55 6123 100 2+3

    11 12% of 300 56 14602 101 19 x 6

    12 62% of 50 57 74020 102 1282

    13 13% of 500 58 65% of 200 103 20 x 3

    14 6.5 x 4 59 98% of 300 104 2564

    15 12 60 16% of 400 105 30 x 2

    16 13 61 28% of 500 106 12864

    17 14 62 2 107 2.2 x 5

    18 15 63 3 108 2568

    19 16 64 4 109 x 16

    20 17 65 5 110 12802

    21 18 66 20 111 10% of 11

    22 19 67 30 112 256080

    23 20 68 40 113 48 x 2

    24 44 x .75 69 500 114 25680

    25 .75 x 44 70 1.5 x 10 115 x

    26 33 .75 71 2.5 x 20 116 13 x 4

    27 44x.5 72 3.5 x 30 117 4 x 1.3

    28 .5 x 44 73 15 x10 118 14 x 5

    29 22 .5 74 25 x 20 119 5 x 1.4

    30 5(75) 75 35 x 30 120 15 x 6

    31 75(5) 76 15 1.5 121 6 x 1.5

    32 10 x 2 x 3 77 50 2.5 122 16 x 7

    33 5 x 4 x2 78 105 3.5 123 7 x 1.6

    34 8x7 x3 79 1050 30 124 14x4

    35 246 x 2 80 50020 125 15x5

    36 Double 16 81 15010 126 567

    37 Double 32 82 2x10x3 127 568

    38 Double 64 83 4x2x5 128 16913

    39 Double 128 84 7x3x8 129 966

    40 11 x 11 x2 85 369 3 130 1197

    41 12x12x2 86 369 123 131 1448

    42 13 x 13 x 2 87 3 x 123 132 9.66

    43 48 32 88 Treble 18 133 11.97

    44 4824 89 Treble 19 134 14.48

    45 488x6 90 644x4 135 123 x 3

  • 136 63 x 5 181 13 x 10 = 226 50 20

    137 6 + 2 182 100 x 10 = 227 105 30

    138 4x4x4x4 183 25 x 7 = 228 1050 35

    139 5x5x5x5 184 37 x 4 = 229 50025

    140 4+5 185 47 x 9 = 230 150 15

    141 5 x 63 186 57 x 3 = 231 10 x 1.5

    142 2+6 187 61 x 3 = 232 20 x 2.5

    143 5+4 188 72 x 4 = 233 30 x 3.5

    144 3155 189 .2 x 2 = 234 10 x 15

    145 31563 190 .8 x 5 = 235 20 x 25

    146 (3+5)x7 191 .2 x 8 = 236 30 x 35

    147 (7+2)x8 192 10 x .8 = 237 3755

    148 (3+3)x4 193 8 x .07 = 238 37575

    149 7x 30 194 .4 x 10 = 239 400 150 30 x 7 195 .2 x 7 = 240 361 151 3x 70 196 8 x 8 = 241 324 152 .7 x 3 197 .1 x 9 = 242 289 153 50 198 4 x .8 = 243 256 154 .5 199 .2 x 6 = 244 225 155 2107 200 12 x .02 = 245 196 156 21070 201 10 x .09 = 246 169 157 2103 202 7 x .4 = 247 144 158 21030 203 .3 x 9 = 248 4x 6.5

    159 2130 204 .7 x 5 = 249 112x.125

    160 5+6 x 7 205 .05 x 10 = 250 112x.25

    161 (5+6) x 7 206 10 x .07 = 251 112x.5

    162 5 +(6x7) 207 4 x .6 = 252 56080

    163 3 x4x6+2 208 6 x .6 = 253 4x113

    164 3x4x (6+2) 209 5 x .8 = 254 6x X 4x

    165 (3x4) x 6+2 210 18 x 10 = 255 3x99

    166 52 4 211 110 x 4 = 256 8x7

    167 5.2 1.3 212 42 x 7 =

    Warning

    Maths Genius at Work

    The 256 Club!

    168 70 5 213 15 x 9 =

    169 7 5 214 10x18

    170 90 15 215 4x110

    171 112 16 216 9x15

    172 11.2 7 217 7x42

    173 52 13 218 13515

    174 5.2 4 219 1359

    175 70 14 220 2947

    176 7 1.4 221 29442

    177 90 6 222 3x7x8

    178 9 6 223 2x4x5

    179 112 7 224 3x2x10

    180 11.2 16 225 15 10