This collection of independent activity sheets motivates students to practice key skills in addition, subtraction, time, money, measurement, and more. The simple self-checking format gives students immediate feedback on their work, highlighting their correct answers and encouraging them to rework the ones they got wrong. Perfect for homework, independent work, or any time! How to use this product: Bonus challenge problems Each page features a “Triple Match Challenge,” which offers students a more difficult problem to solve. The answer to this problem will match up with two other answers on the page, so students can check their work!