Estiball

By Ulrich Helker on AppTrack Ninja.

Train Your Estimation Skills

How many are bouncing around? Take a look, trust your gut and type in your estimate – no counting allowed! Estiball trains your number sense: the ability to judge quantities at a glance. After every round you see how close you were, as a percentage of the correct answer. CHOOSE YOUR CHALLENGE • Kids: up to 10, 20 or 50 objects – bigger and slower, perfect for young children • Adults: 11–100, 101–500 or 101–1000 objects – from warm-up to real challenge CHOOSE WHAT BOUNCES 21 objects, each in its own world: balls in a pinball machine, bees in a meadow, fish under water, dinosaurs in a prehistor…

Categories: Games, Trivia

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