Configure operations, difficulty, and question count, then click Start. A math problem appears with 4 multiple choice answers. Click the correct answer — you get immediate feedback. Work through all questions then review your results!
Wrong answers are generated close to the correct answer to make the quiz challenging. They won't be obviously wrong — you'll need to actually calculate the answer rather than guess by elimination.
Getting 100% is the goal! On Easy difficulty this should be achievable quickly. Medium requires solid mental arithmetic. Hard difficulty with multiplication and division challenges even math enthusiasts. Your best score is saved locally.