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 ...

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 ...

Most people in the math education space agree that students need to be fluent with basic math facts. By the time kids are in upper elementary grades, they should be able to produce the answer to 6x3 ...

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First grade math is all about building strong foundations in counting, addition, subtraction, and problem-solving—while ...

A thorough understanding of addition and subtraction requires knowledge of the inverse relation between these operations. According to Piaget (1952), any inverse relation poses a significant challenge ...