Chalkboard Challenge
Chalkboard Challenge improves the quantitative reasoning and problem-solving skills needed to make smart decisions, including those involving finances.
Numerical Estimation
Part of quantitative reasoning is numerical estimation — the ability to approximate numerical relationships quickly or with incomplete information.
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...
Raindrops
Raindrops exercises arithmetic, which is part of your set of problem-solving ski...