Synonyms: add, add together
Definition: make an addition by combining numbers
Usage: Add 27 and 49, please!
Similar words: compute, cipher, calculate, cypher, reckon, work out, figure
Definition: make a mathematical calculation or computation
Synonyms: add, add together, add up, tally, sum, sum up, summate, tot, tot up, total, tote up
Definition: determine the sum of
Usage: Add all the people in this town to those of the neighboring town
Similar words: count, number, numerate, enumerate
Definition: determine the number or amount of
Usage: Can you count the books on your shelf?; Count your change