Puzzle Detail
Math Worksheets Math Brain Teasers — Set 2
| 5- | 3= | 6+ | 5= | 9x | 336x | |||
| 9= | 210x | 2= | 5= | |||||
| 2- | 5 | 20+ | 7+ | 3- | ||||
| 1 | 5- | 1- | ||||||
| 1= | 384x | 9=9 | 10+ | 14+ | 5= | |||
| 16+ | 4- | 2= | 21+ | |||||
| 7= | 5- | 8= | 3= | 1- | ||||
| 6/ | 3- | 2/ | 9= | |||||
| 5-7 | 2- | 6 | 2/ | 17+9 | 1= |
Show solution
| 8 | 3 | 2 | 4 | 5 | 1 | 9 | 7 | 6 |
| 3 | 9 | 7 | 6 | 1 | 2 | 5 | 4 | 8 |
| 4 | 6 | 5 | 2 | 3 | 9 | 8 | 1 | 7 |
| 6 | 8 | 1 | 7 | 9 | 5 | 3 | 2 | 4 |
| 1 | 2 | 8 | 9 | 4 | 6 | 7 | 3 | 5 |
| 9 | 5 | 4 | 8 | 2 | 7 | 1 | 6 | 3 |
| 7 | 4 | 9 | 1 | 8 | 3 | 6 | 5 | 2 |
| 5 | 1 | 6 | 3 | 7 | 4 | 2 | 8 | 9 |
| 2 | 7 | 3 | 5 | 6 | 8 | 4 | 9 | 1 |
Solver Notes
Our math brain teasers use the mathdoku puzzle format to challenge arithmetic reasoning and logical deduction simultaneously.
Are mathdoku puzzles good brain teasers?
Yes — mathdoku requires you to combine arithmetic calculation with logical elimination, engaging both analytical and numerical thinking.
Who are math brain teasers suitable for?
They suit ages 8 and up — students, adults, and anyone who enjoys keeping their mental math sharp.
Are solutions included?
Yes — every brain teaser puzzle comes with a complete solution.