A great way for children and adults alike to practice basic mathematical operations. Test your speed and knowledge in addition, subtraction, division and multiplication. You can solve basic operations at your own pace or against time. There are two timer options: Operation timer. The timer counts for every operation. Try to find the answer before the timer expires. 1 min timer. Try to solve as many operations as you can in 1 minute. Think fast. Compare your skills with your friends. A fast way to quickly find answers to random mathematical operations. Choose the correct answer from the three close available answers. Measure your skills by looking at the correct and wrong answers you achieved. A fun way to learn or test basic math and train your brain to think fast. A good way for children to learn and practice mathematical operations. Thinking fast stimulates your brain. Try it now.