| Number in a sum | 15 |
| Number in a tub | 15 |
| Number in an Amtrak report? | 27 |
| Number in an ennead | 19 |
| Number in an octet | 18 |
| Number in black | 15 |
| Number in C.B. lingo | 20 |
| Number in CB lingo | 18 |
| Number in chess notation | 24 |
| Number in most sets | 19 |
| Number in Naples | 16 |
| Number in NASA lingo | 20 |
| Number in NASA-speak | 20 |
| Number in Nürnberg | 21 |
| Number in Nuremberg | 19 |
| Number in PG-13 or NC-17 | 24 |
| Number in red | 13 |
| Number in scientific notation | 29 |
| Number in statistics | 20 |
| Number in the "Pledge of Allegiance" | 46 |
| Number in the ball park? | 24 |
| Number in the Cookie Monster song "They Not Take That Away From Me" | 77 |
| Number in the NATO phonetic alphabet | 36 |
| Number in the news | 18 |
| Number in the Pledge of Allegiance | 34 |
| Number in the upper left of this grid | 37 |
| Number inaugurated into this puzzle's theme answers | 55 |
| Number learned on "Dora the Explorer" | 47 |
| Number learned on "Sesame Street" | 43 |
| Number line | 11 |
| Number line? | 12 |
| Number makeup | 13 |
| Number miscalculations? | 23 |
| Number near an APR | 18 |
| Number near the '@' | 27 |
| Number needed | 13 |
| Number next to a + | 18 |
| Number next to a plus sign | 26 |
| Number Nine in a rock song | 26 |
| Number no longer used | 21 |
| Number no longer used? | 22 |
| Number Noah knew | 16 |
| Number not on a clock | 21 |
| Number not on a grandfather clock | 33 |
| Number of Dvorák symphonies | 31 |
| Number of "jours" in "septembre" | 52 |
| Number of "ladies dancing" | 36 |
| Number of "Little Indians" | 36 |
| Number of "Little Sisters" Carly Simon sang of | 56 |
| Number of "lives" a cat has | 37 |
| Number of "pipers piping" in a countdown carol | 56 |
| Number of "swans a-swimming" | 38 |
| Number of "Wonders" Fleetwood Mac sang about | 54 |
| Number of a magazine | 20 |
| Number of African countries with español as an official language | 67 |
| Number of Ali Baba's foes | 29 |
| Number of Allman brothers | 25 |
| Number of an oft-married King Henry | 35 |
| Number of angles in a hexagon | 29 |
| Number of apocalyptic horsemen | 30 |
| Number of arms on a pulpo | 25 |
| Number of articles in the Constitution | 38 |
| Number of astronauts in NASA's first lineup | 47 |
| Number of at-bats | 17 |
| Number of Bears or Pigs | 23 |
| Number of Beatles still with us | 31 |
| Number of Beethoven operas | 26 |
| Number of Beethoven symphonies | 30 |
| Number of Belgian beers you plan on drinking (as screamed in "A Futbol Named Desire")? | 96 |
| Number of Best Actress nominations for Deborah Kerr | 51 |
| Number of birds hidden in starred-clue answers | 46 |
| Number of birthdays | 19 |
| Number of blackbirds? | 21 |
| Number of bones in the wrist | 28 |
| Number of bulbs | 15 |
| Number of bulbs? | 16 |
| Number of calories in water | 27 |
| Number of Canadian provinces | 28 |
| Number of candles on a cake? | 28 |
| Number of cards in a "pons" deck | 42 |
| Number of cards in a Roman deck | 31 |
| Number of cards in Caesar's deck | 36 |
| Number of cards in Caesar's deck? | 37 |
| Number of cards in Livy's deck? | 35 |
| Number of cat lives | 19 |
| Number of cat's lives | 25 |
| Number of cats' lives | 25 |
| Number of cattle | 16 |
| Number of Cerberus's heads | 30 |
| Number of ceros after the uno in a gúgol | 43 |
| Number of cervezas in a pack | 28 |
| Number of circles in Dante's hell | 37 |
| Number of clues in this puzzle that contain factual inaccuracies | 64 |
| Number of coins in an Italian fountain | 38 |
| Number of coins in la Fontana di Trevi? | 39 |
| Number of coins in the Fontana di Trevi | 39 |
| Number of coins in the Fontana di Trevi? | 40 |
| Number of coins in the fountain | 31 |
| Number of colori on the Italian flag | 36 |
| Number of colors on the German flag, to the Germans | 51 |