Crossword clues for 1 Down, e.g. 3 lettersAnswerClueISSVol. 1, No. 1, e.g.SEQ1, 1, 2, 3, 5, 8, 13 ..., e.g.: Abbr.HOLJan. 1, e.g.HITBillboard's No. 1, e.g.RTEUS 1, e.g.RTENo. 1, e.g.RTE66 or 1, e.g.HIT#1, e.g.TIE1-1, e.g.ISL1-Across, e.g.: Abbr.HITNo. 1 song, e.g.NOS1-10 e.g.POD1-Across, e.g.ENC1 Down, e.g.LEOAugust 1 baby, e.g.ESTAround 1,000, e.g.: Abbr.TETFeb. 1, 2003, e.g.SPA1 Down, e.g.RTE1 or 9, e.g.CENA.D. 1–A.D. 100, e.g.TIE1-1 score, e.g.RTE1 or 66, e.g.CEN1-100 A.D., e.g.RTE1 or 95, e.g.SUM1 + 2 + 3, e.g.APT1 BR listing, e.g.RTE1 or 66, e.g.: Abbr.HOLJan. 1 or Dec. 25, e.g.ODD1, 3 or 5, e.g.RDA1,000 mg of calcium, e.g.TIEThe "1" in 8-8-1, e.g.TIE1-1 or 2-2, e.g.RTE1 running from Me. to Fla., e.g.SCALE1"=1', e.g.SYNERGY1 + 1 = 3, e.g.LMNTARYMATH1 + 1 = 2, e.g.ODDS3:1 or 4:1, e.g.ODDS6:1 or 7:1, e.g., at a racetrackRATIO4:1 or 1:5, e.g.SCALE1 inch = 1 mile, e.g.ODDSONFAVORITES1-5 and 1-10, e.g.CLUES1-Across and 1-Down, e.g.ODDS1:15 or 1:30, e.g.NUMBER1 in a 1,000,000, e.g.TEST1-2-3, 1-2-3, e.g.SERIES1, 1, 2, 3, 5, 8, 13 ..., e.g.SERIES1, 1, 2, 3, 5, 8, 13, 21, 34 ..., e.g.PROBEVoyager 1, e.g.ODDS4:1, e.g.BOASTWe're #1!, e.g.