Probability Practice — Free Step-by-Step Drills
Practice probability with this free tool. It generates simple single-event problems — marbles, dice and spinners — checks your fraction answer (in any equivalent form), and shows how to count favorable and total outcomes.
How the practice works
- Pick a difficulty.
- Enter the probability as a fraction and press Check.
- Read the feedback and step-by-step solution, then press Next.
How to find a probability
Probability = favorable outcomes ÷ total outcomes, written as a fraction in lowest terms. The solution panel counts both and simplifies.
Original price was: $109.99.$54.99Current price is: $54.99.
Frequently asked questions
How do you find the probability of an event?
Divide the number of favorable outcomes by the total number of outcomes, then simplify.
Does it accept un-simplified fractions?
Yes — for example 2/8 is accepted for 1/4.
Original price was: $109.99.$54.99Current price is: $54.99.
Is it free?
Yes — unlimited problems, no sign-up, with progress saved in your browser.
Original price was: $109.99.$54.99Current price is: $54.99.
Read the full lesson: learn the method step by step.
Original price was: $27.99.$17.99Current price is: $17.99.
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