In fourth grade, he will decompose fractions. To decompose means to break apart. Your child has already decomposed whole numbers with number bonds, tape diagrams, and place value charts. In fourth ...

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 ...

This lesson uses models to convert mixed numbers to improper fractions. This lesson uses models to convert mixed numbers to improper fractions.

It is less straightforward to picture the answer to this addition because the denominators (bottom numbers) are different. You can only add and subtract fractions when the bottom numbers, or ...