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The times (multiplication) table on xylophone
Dr. Yuchuan Wei
1 The times table for n*n
1*1=1 2*2=4
3*3=9 3*3=9
4*4=16 5*5=25
6*6=36 7*7=49
8*8=64 9*9=81
2 Number-pitch relation
123456789
123456712
3 The times (multiplication) table n*n on xylophone
4/4, 1=C
| 11 10 2 2 40|
| 33 90 33 90|
|4 4 11 6| 5 5 22 5|
|6 6 33 6|7 7 44 9|
|8 8 66 4|9 9 88 1|
4 The times (multiplication) table on xylophone
4/4, 1=C
Note: 8=1, 9=2
11 10 11 10 | 12 20 13 30 | 14 40 15 50 | 16 60 17 70 |18 80 19 90 |
22 40 23 60 | 24 80 25 10 | 2 6 11 2 | 2 7 11 4 | 2 8 11 6 | 2 9 11 8 |
33 90 33 90 | 3 4 11 2 | 3 5 11 5 | 3 6 11 8 | 3 7 22 1 | 3 8 22 4| 3 9 22 7|
4 4 11 6 | 4 5 2 2 | 4 6 22 4| 4 7 22 8 | 4 8 33 2 | 4 9 33 6 |
5 5 22 5 | 5 5 22 5 | 5 6 3 3 | 5 7 33 5 | 5 8 4 4 | 5 9 44 5|
6 6 33 6 | 6 7 44 2 | 6 8 44 8| 6 9 55 4|
7 7 44 9 | 7 7 44 9 | 7 8 55 6 | 7 9 66 3|
8 8 66 4 | 8 9 77 2 | 9 9 88 1 | 9 9 88 1|
Primay Mathematics (UK), 2027, spring issue. (To be published)
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