Arithmetic Four lets two users play a game in which each player tries to connect four game pieces in a row (like game Connect Four). The players answer math questions to connect the pieces. Teacher chooses how much time each player has to answer, the level of difficulty, and the type of math problem. Grades: 2–8
Sounds of Mars
Grab your headset, turn up the volume and listen for the subtle differences between the sounds on Earth versus the sounds of Mars.