Students put all of their addition and subtraction skills together to solve equations. In this lesson, students put all of their addition and subtraction skills together to solve equations. Julia ...

The simplest ideas in mathematics can also be the most perplexing. Take addition. It’s a straightforward operation: One of the first mathematical truths we learn is that 1 plus 1 equals 2. But ...

Match fun story problems with the correct addition or subtraction expression. Join Mrs. Gray for number talk with the Counting Buddy Junior. Then get ready to match fun story problems with the correct ...

You use addition to find the total amount, when you have two or more numbers. You use the addition symbol (+) to add numbers together and then the equals symbol (=) to give you the answer. Let's add ...

PORTSMOUTH, N.H., June 26, 2025 /PRNewswire/ -- Heinemann today announced the release of an updated edition of its student-powered math curriculum Math Expressions. The new edition will offer the same ...