Raindrops
Raindrops uses arithmetic to improve problem-solving skills. Play Raindrops to become better at mental calculations. You might even find yourself volunteering the next time someone needs to calculate a tip!
Numerical Calculation
Numerical calculation is the ability to perform simple arithmetic operations including addition, subtraction, multiplication, and division.
Top That
Pick the most expensive prizes to exercise your quick estimation skills.
Magic Chance
Exercise your probabilistic reasoning by matching the pattern of cards needed fo...
Halve Your Cake
Exercise your proportional reasoning skills by measuring ingredients for delicio...
Chalkboard Challenge
Chalkboard Challenge improves the quantitative reasoning and problem-solving ski...