Related Clues:

• Use a '+'
• Calculate the total
• Cookbook directive
• ___ insult to injury
• Contribute, as to the conversation
• Do sum work
• Expand, as a collection
• Get a total
• Hyperactivity may be a sign of it, for short
• Do sum work?
• Get sum?
• Say "Furthermore ...," say
• Ritalin target: Abbr.
• Find the sum
• Do simple arithmetic