HazyMaths Competitive is an online mental maths platform where you can create arithmetic quizzes, compete with others, improve your calculation speed, and track your performance using detailed analytics.

You can practice addition, subtraction and multiplication with customizable digit ranges.

English by default. For other languages, your device should have that language pack installed in text-to-speech settings. Correct audio still depends on your TTS engine translation capabilities.

Your rating depends on your overall performance in a quiz, taking into account your speed and accuracy.

Speed Score compares your average time per question with the expected time for that quiz's difficulty. Higher values indicate faster performance, up to a maximum of 100.

Accuracy is the percentage of questions answered correctly during a quiz.

Yes. Create a quiz, share the quiz code, and your friends can join that same quiz and challenge your score.

Yes. HazyMaths Competitive is optimized for both desktop and mobile devices.

Yes. A free plan is available. Premium membership provides unlimited practice and additional features.

Improve both your calculation speed and your accuracy. Regular practice with different digit combinations helps improve long-term performance.

Email us at info@vebplay.online.