| 100% | THIRTY | 6 | Product of the first three primes |
| 76% | TEN | 3 | Sum of the first three prime numbers |
| 59% | SHIALABEOUF | 11 | Star of the first three "Transformers" movies: 2 wds. |
| 59% | ASU | 3 | Winner of the first three Fiesta Bowls, for short |
| 58% | OIL | 3 | Product of the first parts of 18-, 28-, 44- and 58-Across |
| 56% | POE | 3 | Fittingly, the first three letters of 32-Across |
| 56% | ROY | 3 | First three letters of the rainbow? |
| 56% | ABC | 3 | First three of the English alphabet |
| 56% | ABC | 3 | First three letters of the alphabet |
| 56% | BRODY | 5 | Lead character on the first three seasons of "Homeland" |
| 56% | EEL | 3 | Fish hidden in the first three letters of "electricity" |
| 55% | ABC | 3 | First three letters of the English language |
| 55% | ABC | 3 | First three letters of the English alphabet |
| 55% | ABC | 3 | First three letters of the Alphabet Song |
| 55% | STRAW | 5 | Makeup of the first house in "The Three Little Pigs" |
| 55% | BLEU | 4 | The first of three in the French Tricolour |
| 54% | READING | 7 | First of the educational three Rs |
| 54% | IAMSAM | 6 | The first three words of "Green Eggs and Ham," straight from the narrator |
| 54% | PHI | 3 | Greek letter, or the first three letters of a Pennsylvania city |
| 54% | ESP | 3 | First three letters of the Spanish name for Spain |
| 54% | NEHRU | 5 | Jawaharlal ___, the first Prime Minister of India |
| 54% | HOPPER | 6 | Scientist and naval officer Grace ___ who was one of the first three pioneers in computer programming |
| 53% | KANYE | 5 | Rapper West who dropped the first three letters of his first name |
| 53% | EVA | 3 | Woman's name that's the first three letters of 46-Across |
| 53% | PALEOGENE | 9 | The first of the three periods of the Cenozoic Era |
| 53% | TUE | 3 | First three letters of the work week's 2nd day |
| 53% | LABORDAYWEEKEND | 15 | First three-day break of the school year for many |
| 53% | YEAR | 4 | Span represented by the first three letters of 12 answers in this puzzle |
| 52% | SSN | 3 | Until June 25, 2011, the first three digits of this had geographical significance (abbr.) |
| 52% | SEALS | 5 | Animals whose habitat can be found in the first three letters of their name |