IXL: Weighted Averages Quia: Challenge Board (flash)
MathScore: Mixture Problems Quia: Cloze (flash)
Quia: Battleship (flash)
MathBits: Word Problems OnlineMath: Mixture Problems- Replacing the Solution
OnlineMath: Mixture Problems OnlineMath: Mixture Problems- Different Costs
OnlineMath: Mixture Problems- Adding to Solution UMSL: Mixture Problems
OnlineMath: Mixture Problems- Remove from Solution