One of the hardest math problems focuses on rectangular cuboids ... can be understood by studying the possible nice shapes ...

Even though these SAT math problems have a different name and format ... should not be interpreted to mean that grid-ins are harder than multiple-choice questions. Rather, the extra time is ...

In new research, mathematicians have narrowed down one of the biggest outstanding problems in math. Huge breakthroughs in math and science are usually the work of many people over many years.