Mental Maths Quiz: 15 Problems. Add and Subtract without a Calculator!
Free online printable quiz with multiple-choice questions (MCQ) without registration.
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The mental math quiz on this page contains 15 problems. Try not to get it wrong at least once!
Right answers
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1. 66 - (25 + 7) = ...
34
2. (100 + 50) - 25 = ...
125
3. 321 + 123 = ...
444
4. 184 - (84 + 21) = ...
79
5. 23 + 24 + 25 = ...
72
6. 851 - 581 = ...
270
7. 131 - 65 + 33 = ....
99
8. (65 - 15) - (10 - 34) = ...
74
9. 37 + 81 = ...
118
10. 68 - 34 = ...
34
11. 35 + (65 - 45) = ...
55
12. 250 - 25 - 25 - 25 - 25 - 25 = ...
125
13. 55 + 55 - 66 = ...
44
14. 53 + 37 - 80 = ...
10
15. (5 + 5) + (5 + 5) = ...
20