| 100% | MEAN | 4 | 2.5, for the set {1, 2, 3, 4} |
| 100% | MEAN | 4 | 3, for the set [1, 2, 3, 4, 5] |
| 74% | MIN | 3 | "1" for the set {1, 2, 3}, in brief |
| 72% | MEAN | 4 | 5, for the set {2, 4, 6, 8} |
| 72% | MEAN | 4 | 5, for the set [2, 4, 6, 8] |
| 72% | ABC | 3 | It's easy as 1, 2, 3, for the Jackson 5 |
| 68% | MEAN | 4 | 5, for the set {1,3,7,9} |
| 66% | VARIABLE | 8 | In the answers to 17-, 34- and 57-Across, it was replaced in turn by 1, 2, 3, 4, 5 ... |
| 65% | PASSWORD | 8 | 1 2 3 4 5 6 is a really bad one, apparently |
| 65% | REVERSE | 7 | What the numbers 9, 8, 7, 6, 5, 4, 3, 2 and 1 are in |
| 64% | NOS | 3 | 1, 2, 3, 4, 5, etc.: Abbr. |
| 63% | MEAN | 4 | 0, for the set [-3, -1, 1, 3] |
| 62% | TOPROW | 6 | 1, 2, 3, 4, 5, etc., on a standard keyboard |
| 62% | DVORAK | 6 | QWERTY keyboard alternative where the numeric keys are ordered 7 5 3 1 9 0 2 4 6 8 |
| 61% | SUBW8RAIN | 9 | 1, 2, 3, 4, 5, 6 or 7, in New York City |
| 61% | HURRICANE | 9 | Severe storm with categories 1, 2, 3, 4 and 5 |
| 60% | GEAR | 4 | 1, 2, 3, 4 or 5 in a car, shifted by a stick |
| 58% | EVENS | 5 | 2, 4, 6 and 8, but not 1, 3, 5 and 7 |
| 58% | ABC | 3 | 1970 Jackson 5 hit with the line "Easy as 1, 2, 3" |
| 57% | ABC | 3 | Jackson 5 hit with the lyric "easy as 1 2 3" and "simple as do re mi" |
| 57% | ABC | 3 | Jackson 5 hit with the lyric "It's easy as 1, 2, 3" |
| 57% | ABC | 3 | Jackson 5 song with the lyric “It’s easy as 1, 2, 3” |
| 57% | COUNTDOWN | 9 | Going backward in numbers, 5, 4, 3, 2, 1 |
| 56% | ABC | 3 | Jackson 5 song with the lyric "It's easy as 1 2 3 / As simple as do re mi" |
| 56% | ABC | 3 | Jackson 5 song with the lyrics "It's easy as 1 2 3 / Or simple as do re mi" |
| 56% | ABC | 3 | Jackson 5 song with the lyrics "It's easy as 1 2 3 / As simple as do re mi" |
| 54% | TEN | 3 | 1 & 2 & 3 & 4 |
| 54% | TEN | 3 | 1 + 2 + 3 + 4 |
| 54% | AGES | 4 | 1, 2, 3, 4, ... |
| 54% | DIGITS | 6 | 1, 2, 3, 4, etc. |