| 100% | BILLION | 7 | Number defined as 1 followed by 9 zeros |
| 57% | MILLION | 7 | Number represented as one followed by six zeros |
| 52% | GOOGOL | 6 | Number represented as one followed by a hundred zeros |
| 52% | MILLION | 7 | Number with 1 followed by 6 zeros |
| 41% | GOOGOL | 6 | 1 followed by 100 zeroes, not to be confused with the search engine |
| 41% | ODDS | 4 | Numbers such as 1, 3, 5, 7, and 9 |
| 40% | THOUSAND | 8 | Ten hundreds; a 1 followed by three zeros |
| 35% | PRIMES | 6 | Numbers that can only be divided by themselves and 1, such as 11 and 13 |
| 32% | IOU | 3 | Letters often followed by a number |
| 32% | MACH | 4 | Name often followed by a number |
| 32% | RTE | 3 | Abbr. usually followed by a number |
| 32% | ONE | 3 | Number that follows zero |
| 31% | GOOGOL | 6 | One followed by 100 zeros |
| 31% | TRILLION | 8 | One followed by 12 zeroes |
| 31% | LOG | 3 | Math term usually followed by a subscript number |
| 30% | SPEEDLIMIT | 10 | Words followed by a number on a highway sign |
| 29% | GOOSEEGG | 8 | Zero, as said by a sportscaster: 2 wds. |
| 29% | EGO | 3 | Psyche part, as defined by Freud |
| 29% | EVEN | 4 | Divisible by two, as a number |
| 29% | ONEINCH | 7 | Three barleycorns, as defined by Edward II |
| 28% | PRIME | 5 | Natural number divisible by 1 and itself only |
| 28% | MSA | 3 | Washington-Arlington-Alexandria region, as defined by the OMB |
| 27% | ODD | 3 | Like the numbers 1, 3, 5, 7, and 9 |
| 27% | ONEMETER | 8 | It's defined as the distance light travels in 1/299,792,458 second |
| 26% | INTEGER | 7 | A whole number such as 1, 53 or 102 for example |
| 26% | ODD | 3 | Like the numbers 1, 5, and 9 |
| 26% | ERG | 3 | Unit Wikipedia defines as about the amount of work of a push-up by a housefly |
| 26% | ABIDE | 5 | ___ by (follow, as rules) |
| 26% | SUGAR | 5 | With 1-Across, ingredients followed in a saying by "and everything nice" |
| 25% | LEAF | 4 | Preceded by 1-, 9- and 65-Across, what each circled word literally suggests |