Puzzle Detail
Math Worksheets Math Brain Teasers — Set 3
| 3- | 8= | 2= | 30x | 9/ | ||||
| 2= | 1= | 5- | 4=4 | |||||
| 12x | 6= | 9+ | 20+3 | 9= | 7=7 | |||
| 8/ | 7= | 0- | ||||||
| 15x | 360x | 7-8 | 30x | |||||
| 9+ | 7= | 20+ | 2= | 5 | ||||
| 2- | 9= | 6- | 4= | |||||
| 5= | 3= | 9+ | 960x | 4/ | ||||
| 9= | 2- | 14+ | 2=2 |
Show solution
| 7 | 4 | 8 | 2 | 3 | 6 | 5 | 1 | 9 |
| 6 | 2 | 1 | 3 | 7 | 9 | 4 | 5 | 8 |
| 2 | 1 | 6 | 5 | 4 | 3 | 8 | 9 | 7 |
| 4 | 8 | 7 | 1 | 5 | 2 | 9 | 6 | 3 |
| 3 | 5 | 9 | 4 | 2 | 7 | 1 | 8 | 6 |
| 8 | 7 | 4 | 6 | 9 | 1 | 3 | 2 | 5 |
| 1 | 6 | 2 | 9 | 8 | 5 | 7 | 3 | 4 |
| 5 | 9 | 3 | 8 | 1 | 4 | 6 | 7 | 2 |
| 9 | 3 | 5 | 7 | 6 | 8 | 2 | 4 | 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.