Use visual fraction models to add and subtract fractions with the same denominators. Use visual fraction models to add and subtract fractions with the same denominators. Notice patterns in the ...

Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

While literacy is often seen as a cornerstone to scholastic achievement, and many parents devote a lot of time and energy into nurturing their small child’s love of reading, studies show that ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...

My last column introduced the concepts underlying BCD (binary-coded-decimal) representations. In particular, we considered unsigned versus 10s-complement versions of BCD numbers. In this column we are ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Do you think math is fun? I absolutely think that it should be.

Young chickens just a few days old can count and perform basic arithmetic, according to a fluffy new study. Researchers manipulated objects that the chicks had formed an attachment to, moving the ...

Honey bees are capable of understanding complex arithmetic, according to a new study published Wednesday. Scientists discovered that bees can “learn to use blue and yellow as symbolic representations ...