Related Clues:

• Pipes in
• Throws in the mix
• Does some kindergarten math
• Vegas openings?
• Initial stakes
• Upfront poker payments
• Poker amounts
• Follows a recipe, say
• Uses the '+' function
• Does sum work
• Shows generosity
• Does basic math
• Stats in hockey and basketball
• Increases (with "to")
• Puts on the pile