Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

A sharp rise in students without middle school-level math skills is raising alarms among educators and policymakers.

A linear sequence goes from one term to the next by always adding (or subtracting) the same value. The number added (or subtracted) at each stage of the linear sequence is called the common difference ...

In recent years, states have embraced literacy reform and experienced real gains. It’s time to bring that same urgency and practicality to math with numeracy ...

Sixteen NFL teams have winning records, but not all are considered true contenders in a year of wide-open races.

No. 4 Alabama stopped short of calling the showdown against No. 11 Oklahoma a revenge game, but the Crimson Tide admit they ...

Notre Dame (7-2) has no such wiggle room. A seven-game winning streak by an average of nearly four touchdowns has put the ...

A linear sequence repeatedly increases or decreases by the same amount. The number added (or subtracted) at each stage of the linear sequence remains the same. STEP 1 - You can solve problems using ...