After more annoying delays due to supplier issues with the T-shirts for runners up, it’s finally time to announce the winners to the Chalkdust crossnumber competitions for issues 20, 21, and 22!
But first, the solutions…
The solution for issue 20 was:
| 1 | 1 | 1 | 1 | 6 | 1 | 1 | 2 | |||||
| 1 | 4 | 4 | 6 | 6 | 5 | 4 | 3 | 1 | 8 | 8 | ||
| 8 | 0 | 4 | 0 | 7 | 1 | 6 | 0 | 6 | ||||
| 2 | 5 | 3 | 8 | 1 | 0 | 1 | 7 | 6 | 1 | 0 | ||
| 1 | 2 | 2 | 6 | 6 | 6 | 1 | 8 | 9 | ||||
| 4 | 7 | 6 | 2 | 7 | 2 | 2 | 3 | 8 | 1 | 3 | 6 | |
| 5 | 0 | 5 | 9 | 5 | 3 | 4 | 3 | 4 | ||||
| 9 | 5 | 2 | 5 | 4 | 4 | 1 | 1 | 9 | 0 | 6 | 8 | |
| 6 | 6 | 6 | 5 | 5 | 5 | 1 | 6 | 6 | ||||
| 1 | 9 | 1 | 9 | 0 | 5 | 0 | 8 | 8 | 1 | 6 | ||
| 8 | 1 | 0 | 0 | 5 | 1 | 5 | 2 | 1 | ||||
| 5 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 1 | 0 | 0 | ||
| 3 | 0 | 0 | 0 | 3 | 0 | 0 | 1 |
The sum of the digits in the row marked by arrows was 34. There were 102 entries, 97 of which were correct.
The solution for issue 21 was:
| 9 | 4 | 6 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 1 | ||
| 9 | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 9 | 1 | ||||
| 9 | 4 | 7 | 5 | 6 | 7 | 6 | 9 | 9 | 9 | 9 | 1 | ||
| 9 | 2 | 6 | 4 | 3 | 4 | 9 | 9 | 5 | 1 | ||||
| 1 | 8 | 9 | 2 | 7 | 5 | 6 | 8 | 5 | 5 | 5 | 9 | ||
| 2 | 3 | 7 | 8 | 4 | 9 | 9 | 9 | 6 | 5 | 9 | |||
| 2 | 8 | 3 | 8 | 0 | 5 | 6 | 7 | 6 | 6 | 7 | |||
| 8 | 7 | 3 | 7 | 8 | 4 | 3 | 3 | 5 | 7 | 9 | |||
| 9 | 9 | 9 | 6 | 5 | 9 | 6 | 6 | 2 | 2 | 7 | |||
| 3 | 7 | 8 | 4 | 7 | 5 | 6 | 8 | 5 | 6 | 7 | 6 | ||
| 1 | 3 | 7 | 8 | 4 | 4 | 7 | 3 | 0 | 1 | ||||
| 2 | 7 | 5 | 0 | 0 | 3 | 7 | 8 | 4 | 7 | 7 | 7 | ||
| 0 | 0 | 1 | 1 | 0 | 1 | 8 | 9 | 2 | 4 | ||||
| 1 | 0 | 0 | 0 | 0 | 4 | 7 | 3 | 0 | 8 | 8 | 8 |
The sum of the digits in the row marked by arrows was 52. There were 35 entries, 33 of which were correct.
The solution for issue 22 was:
| 1 | 5 | 1 | 5 | 5 | 7 | 7 | 3 | 1 | 2 | 1 | ||
| 0 | 1 | 0 | 7 | 4 | 7 | 2 | 2 | |||||
| 3 | 7 | 7 | 7 | |||||||||
| 3 | 3 | 9 | 3 | 1 | 0 | 1 | 4 | 4 | ||||
| 3 | 9 | 9 | 9 | 9 | 9 | 9 | 1 | 0 | 0 | |||
| 9 | 9 | 9 | 7 | 2 | 2 | 0 | ||||||
| 5 | 5 | 2 | 2 | 2 | ||||||||
| 2 | 3 | 8 | 5 | 4 | 4 | 1 | ||||||
| 4 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 1 | 0 | |||
| 1 | 0 | 8 | 8 | 3 | 8 | 8 | 8 | |||||
| 3 | 0 | 0 | 7 | 5 | 5 | 5 | ||||||
| 3 | 6 | 6 | 6 | 6 | 4 | 7 | ||||||
| 2 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 6 |
The sum of the digits in the row marked by arrows was 16. There were 107 entries, 101 of which were correct.
The randomly selected winners are:
- Sami, who wins issue 20’s Maths Gear goody bag
- Ashleigh, who wins one of issue 20’s runners-up T-shirts
- Rhea, who wins one of issue 20’s runners-up T-shirts
- Stephen Kirkham, who wins one of issue 20’s runners-up T-shirts
- Will, who wins issue 21’s Maths Gear goody bag
- Jessica Marsh, who wins one of issue 21’s runners-up T-shirts
- Philip Eardley, who wins one of issue 21’s runners-up T-shirts
- Colin Beveridge, who wins one of issue 21’s runners-up T-shirts
- John Martin, who wins issue 22’s Maths Gear goody bag
- Lucas Xu, who wins one of issue 22’s runners-up T-shirts
- Isaac Teng, who wins one of issue 22’s runners-up T-shirts
- Ben Bardsley, who wins one of issue 22’s runners-up T-shirts
The crossnumber will be back very soon in issue 23…
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