Puzzle Detail
Math Worksheets Math Brain Teasers — Set 6
| 1= | 3= | 5- | 5= | |||||
| 1- | 17+ | 2/ | 6= | 18+ | ||||
| 4- | 3x | 9= | 8= | |||||
| 2= | 7= | 8 | 1- | 3= | 1- | 3/ | ||
| 48x | 8= | 1= | 7+ | |||||
| 25+ | 1-6 | 1= | 56x | 490x | ||||
| 4= | 6= | 216x1 | 5+ | 4- | ||||
| 9= | 3x | 7+ | ||||||
| 5= | 8=8 | 6 | 25+ | 2x | 1 | 3= |
Show solution
| 1 | 3 | 2 | 7 | 5 | 6 | 4 | 8 | 9 |
| 7 | 5 | 8 | 9 | 4 | 2 | 3 | 6 | 1 |
| 6 | 1 | 3 | 2 | 7 | 4 | 9 | 5 | 8 |
| 2 | 7 | 5 | 8 | 9 | 3 | 1 | 4 | 6 |
| 3 | 2 | 7 | 5 | 8 | 1 | 6 | 9 | 4 |
| 8 | 9 | 4 | 6 | 1 | 5 | 7 | 3 | 2 |
| 4 | 6 | 1 | 3 | 2 | 9 | 8 | 7 | 5 |
| 9 | 4 | 6 | 1 | 3 | 8 | 5 | 2 | 7 |
| 5 | 8 | 9 | 4 | 6 | 7 | 2 | 1 | 3 |
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.