You can add or subtract numbers in lots of different ways. You can use number lines, number bonds, fact families, 10 squares and counters, or even just writing the numbers down. Sometimes it is faster ...

The following are three examples of calculation strategies students might discover on their own if they were taught standard algorithms first and allowed to master them before moving on. The ...

Schools around the country are holding math nights, sending letters home, and posting videos on their websites to teach parents about the Common Core State Standards for mathematics, which require ...

In a mythical temple full of obstacles, Olivia and Hassan learn simple mental maths and apply it to work out the passcode to open the door.

The Common Core method has many parents concerned. Complaints range from "it's too focused on understanding the steps instead of getting the right answer" to "it's too complicated, I can't even help ...