| Answer | Crossword Clue |
|---|---|
| ODDS | 3 : 1, 5 : 2, etc. |
| ABC | ". . . easy as 1-2-3" Jackson 5 hit |
| TOPROW | 1, 2, 3, 4, 5, etc., on a standard keyboard |
| ASAWHOLE | In full, carpentry tool slipped into a gap (2,1,5) |
| SERIES | 1, 1, 2, 3, 5, 8, 13, 21, 34 ..., e.g. |
| FIBONACCI | Eponym of a number series that begins 1, 1, 2, 3, 5, 8, ... |
| REVERSE | What the numbers 9, 8, 7, 6, 5, 4, 3, 2 and 1 are in |
