Have you ever tried to add or subtract fractions that have different denominators? It’s tricky, right? Join Ms. Susanna Post in this lesson to learn how to solve these types of challenging problems!

Explore fractions as parts of a set and the concept of equivalent fractions. Use area models to represent fractions. Explore fractions as parts of a set. Use fractions as parts of a set to introduce ...

There are few real math whizzes in the world. As the old saying goes, how often are you going to trot out even high school algebra in most of what you do? But people use regular arithmetic all the ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Third grade was a long time ago, and many of us have forgotten even the most basic of principles. Fortunately, they’re pretty easy to remember, and calculators are ready and available now. A review is ...

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...