Treasure Diving: Addition Missing Addends Within 10 (Game 1)

Which number correctly completes the equation? In Treasure Diving: Addition Missing Addends Within 10 (Game 1), children will use their addition knowledge and mental math skills to complete equations as they race to reach the sunken treasure. Geared toward first grade math students, this online game encourages practice with addition and missing addends in a fun, underwater setting.