For third-graders learning Common Core math in Georgia, there are four ways to subtract—and only four ways allowed. The picture above is just one of the methods for subtraction under Common Core ...

Subtracting larger numbers in your head is not always easy, so you can use the column method to take one number away from another. You write the larger number above the smaller number, so that the ...

Juggling numbers isn’t everyone’s forte—even though math manages to sneak its way into our everyday lives. Fortunately, these easy-to-remember math tricks will be your best friend next time you’re ...

When subtracting mixed numbers, you can use a similar method to subtracting two fractions, but this time you have to subtract whole numbers as well. Remember, a mixed number is a combination of an ...