Related Clues:

• Works a kakuro puzzle
• Goes on to say
• Helps decide
• Has a summer job?
• Pipes in
• Throws in the mix
• Does some kindergarten math
• Follows a recipe, say
• Uses the '+' function
• Does sum work
• Shows generosity
• Does basic math
• Increases (with "to")
• Puts on the pile
• Is useful