Imagine you are a mountaineer. Nothing excites you more than testing your skill, strength and resilience against some of the most extreme environments on the planet, and now you've decided to take on ...

The CK-12 Foundation has launched its first free interactive math practice problems and videos for K1-5 grade levels. The new offering is fully aligned to Common Core and represents the first time ...

Practice multiplying by 9 using your fingers and several math games. Explore the Multiply by 9 facts by recognizing there is only one new fact: 9 x 9. Compete against characters to see who finds the ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging ...

Introducing new math concepts via already-worked examples can give students a significant boost in learning. But choosing the right problems makes a big difference. An analysis earlier this year of ...

On a breezy July morning in South Seattle, a dozen elementary-aged students ran math relays behind an elementary school. One by one, they raced to a table, where they scribbled answers to ...