Related Clues:

• Throws in the mix
• Does some kindergarten math
• Plants firmly
• Follows a recipe, say
• Uses the '+' function
• Does sum work
• Does basic math
• Increases (with "to")
• Puts on the pile
• Does a certain math problem
• Opposite of subtracts
• Finds a total
• Chimes in
• Calculates a total
• Some Iraq war reporters