Ways to break apart numbers to solve addition & subtraction equations in a fact family. In this lesson, Julia reviews the ways to make 10 and how we can use these ways to break apart numbers to solve ...

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

An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

While most adults are more than happy to be a long way away from their school exams, many of us enjoy challenging ourselves with a quiz or a puzzle. Keeping your mind sharp as you get older becomes ...