Treasure Diving: Addition Missing Addends Within 20 (Game 1)

These equations aren’t finished! Fill in number sentences by clicking on the missing numbers. In Treasure Diving: Addition Missing Addends Within 20 (Game 1), first graders examine missing numbers while diving for treasure. As they complete each equation, they move one step closer to winning this math race. This engaging game highlights addition within 20 and math with missing addends.