Use this fun game to practice the skill of finding the sum and difference in simple number sentences on the Smartboard or as practice during computer time as independent practice. Practice finding answers up to 20.The sum is the answer to an addition problem and the difference is the answer in a subtraction problem.
Directions: Click start to select the country you are representing in the Trimathlon and the Trimathlon race you will be competing in. You will be give 60 seconds to complete as many number sentences as possible. If you answer 15 correctly you earn a bronze medal, 25 for a silver, and 35 for the gold. Play