Crossword clues for No. 1 5 letters:SCALE1"=1', e.g.BASICLike the math problem 1 + 1RATIO1:1, for oneSCENEAct 1, __ 1FLUKE1 in a 1,000,000 occurenceEVENSRoulette bets with nearly 1:1 oddsVERSEGenesis 1:1, for oneCLUES1-Across and 1-Down, e.g.SINESIn mathematics, they're never more than 1 or less than minus 1.ISSUEVolume 1, Number 1, for oneRATIO4:1 or 1:5, e.g.RATIO1:1,000,000, for exampleSCALE1 inch = 1 mile, e.g.ERROR1 + 1 = 3, for exampleNORUNLike a 1-2-3 inningMILER1,760-yard racerAHEROBilly, Don't Be __ (1974 #1 song)LENDL#1 tennis player for much of the '80sALONE__ Again (Naturally): 1972 #1 songDENOM$1 or $2, but not $3 (abbr.)GRANDSee 1-DownRATIO2:1 or 5:2, e.g.QUEENThe middle of 1-AcrossRATIO3:1 or 7:2, e.g.BOOTHSee 1-AcrossCLAWSBuilt-in weapons for 1-AcrossCHAIMWith 1-Down, "The Chosen" authorTENOF___ two: 1:50DIGIT1, for oneBRUINSkater in 1-Down and 107-DownLINDA1947 No. 1 hit for Buddy ClarkMARIE1937 #1 hit for Tommy DorseySCALE1 to 10, oftenBLEEP1-Down substituteOCEAN1-Down synonymARGONAlmost 1% of the Earth's atmosphereREESEHe wore #1 in BrooklynIDONT___ Wanna Cry (Mariah Carey #1 hit)LIPPS___, Inc. (group with the #1 hit "Funkytown")DROVEUsed a 1-woodANGIE1973 Rolling Stones No. 1 hitLOTUS1·2·3 software makerSNEADSee 1-DownGIBBSGeorgia with the 1952 #1 hit "Kiss of Fire"MARESSeas, to 1 DownDENTEAl ___ (1-Across order)ANGIE#1 hit for the Rolling StonesASIANLike 1-AcrossIMBADMichael Jackson lyric from a 1987 #1 hitTENORChoirmate of 1-Across