👉 Learn how to add and subtract mixed numbers. Mixed numbers are numbers with two parts: the whole number part and the ...

Imagine being an elementary school student and trying to figure out math problems with 75 teachers peering over your shoulder–Daves Avenue Elementary School principal Kit Bragg likened it to being in ...

There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...

Want to learn more? Sign up for a free five-week email mini-course full of research-backed strategies to help students make sense of math. Fractions are an important building block in students’ ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...

Her students can, for the most part, understand the concepts she’s trying to teach. They can memorize and use the Pythagorean ...