| Abbreviation | Definition |
|---|---|
| JMM | Joint Mathematics Meetings |
| JNAM | Journal of Numerical and Applied Mathematics |
| JO | Join Operation |
| JOR | Jacobi Over Relaxation |
| JP | Junction Phenomena |
| JPBM | Joint Policy Board for Mathematics |
| JRAM | Journal of Research in Applied Mathematics |
| JRMF | Julia Robinson Mathematics Festival |
| JSAG | Journal of Software for Algebra and Geometry |
| JSE | Journal of Statistics Education |
| JSML | Journal of Science and Mathematics Letters |
| JUME | Journal of Urban Mathematics Education |
| JUX | Juxtapose |
| K | the Kth item |
| KAMS | Kansas Academy of Mathematics and Sciences |
| KAMS | Kentucky Academy of Mathematics and Science |
| KAP | Kansas Algebra Program |
| KB | Klein Bottle |
| KCA | Kansas Computerized Assessment |
| KCF | Keep Change Flip |