Math puzzles that challenge you to find the missing number are like brain teasers with a numerical twist. They come in many forms, from simple addition sequences with a hidden pattern to complex grids ...

We bring you this story in case you want to get baking. That's because Saturday is Pi Day — but it's not just any pi day. It's March 14* of the year '15, or 3-14-15 — the first five digits of the ...

The Mathematics Teacher (MT), an official journal of the National Council of Teachers of Mathematics, is devoted to improving mathematics instruction from grade 8-14 and supporting teacher education ...