Answer: ADDING

AnswerCrossword Clue
ADDINGJob for the summer?
ADDINGCalculator job
ADDINGSumming
ADDINGSimple arithmetic
ADDINGSummer job?
ADDINGIncreasing
ADDINGMaking two and two four
ADDINGAnnexing
ADDINGDoing sums
ADDINGPutting on
ADDINGTotaling
ADDINGAccountant's work
ADDINGPerforming a simple operation
ADDINGKindergarten math lesson
ADDINGContributing (to)
addingto find the sum of
addingto join so as to increase
addingto say further
addingthe act of addition
addingto be an addition
ADDINGSupplementing.
ADDINGTacking on
ADDINGKind of machine
ADDINGHitting the + key
ADDINGAbacus activity
ADDINGPutting two and two together
ADDINGPutting in
ADDINGDoing the math, in a way
ADDINGThrowing in
ADDINGFunction of a comptometer.
ADDINGCalculating endeavor
ADDINGFooting (up)
ADDINGArithmetic chore
ADDINGKind of office machine
ADDINGArithmetic task
ADDINGSum problem?
ADDINGArithmetic assignment
ADDINGChild's arithmetic lesson
ADDINGAction for calculating people?