Crossword clues for Add to that . . . 3 letters:ADDLink to, on LinkedInADDRecipe verbADDLink to, on FacebookADD+ADDAnnexADDAugmentADDBring to the tableADDInability to stay focused, brieflyADDDo some simple mathADDThrow into the mixADDDo the math?ADDDo sumsADDFind the bottom lineADDGet sum?ADDWhat you need to be able to do to solve kakuroADDIncorporateADDOffer as a bonusADDDo some math homeworkADDPut two and two together, maybeADDPut more inADDPut on staffADDSolve some KenKen, sayADDGet totaled?ADDDo the math, maybeADDTotalADDSay a bit moreADDTote upADDFind sumthing?ADDDo some carrying, maybeADDRecipe instructionADDRecipe wordADDPut in the soup, sayADDMake two tens into a twenty?ADDToss inADDStick onADDCombine figuresADDMentionADDContributeADDSupplementADD2 + 2, e.g.ADDSum upADDBe calculatingADDTack onADDOpposite of unfriendADDPut two and two togetherADDTot upADDTallyADDAttachADDRecipe directiveADDToss into the mix