Treasure Diving: Compose Numbers to Make 20 (Game 3)

Do these two numbers add up to 20? Explore addition within 20 in this underwater diving adventure game. Young math learners will have to think about different number combinations that add up to 20 in Treasure Diving: Compose Numbers to Make 20 (Game 3). This active practice builds first graders’ knowledge of addition and decomposing numbers while keeping them engaged.