Water Rafting: Compose Numbers to Make 20 (Game 1)
Which equation makes 20? In Water Rafting: Compose Numbers to Make 20 (Game 1), children will race their avatars down the river and across the finish line. On the way, they'll be asked to use their knowledge of addition and decomposing numbers to find the equations that add up to 20. This fast-moving maths game is a great way to encourage first graders to practise addition within 20.