Mental Math Quiz: Can you Count in the Mind? 15 Problems for 5 Minutes
Free online printable quiz with multiple-choice questions (MCQ) without registration.
Calculus is a great way to train your brain. Give just 5-10 minutes a day to this useful activity, and the results will not be long in coming. Try to measure the time it takes you to do the examples in the beginning, and then a couple of weeks later again. You'll be pleasantly surprised!
The Mental Math Quiz you'll find on this page of our website consists of 15 examples of varying difficulty. If you're in good shape, it shouldn't take you more than 5 minutes. Shall we begin?
Right answers
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1. (1000 - 500) х 6 = ...
3000
2. 102 = ...
100
3. 125 + 125 + 125 +125 = ...
500
4. 22 + 32 = ...
13
5. (15 + 15) х (20 + 20) = ...
1200
6. 1000 - 500 - 250 = ...
250
7. 1000 ÷ 100 + 1000 ÷ 20 = ...
60
8. 1000 ÷ (100 + 400) = ...
2
9. 8 х 10 х 100 = ...
8000
10. 10 х 10 х 10 х 10 = ...
10000
11. (5 + 3) ÷ 2 = ...
4
12. 5 х (666 - 33 х 2) = ...
3000
13. (500 - 250) х 4 = ...
1000
14. 103 - 102 = ...
900
15. 100 + 200 + 300 - 400 = ...
200
