The College Board offers four Advanced Placement classes in math: AP Calculus AB, AP Calculus BC, AP Statistics and – the newest – AP Precalculus. Successful completion of an AP math class is ...

Less than or greater than? When we are comparing numbers, we can use certain signs to show whether a number is less than, greater than or equal to another. To help you remember which sign to use ...

Still, as in previous years, the United States doesn’t compare favorably to other countries: The country ranks in the middle of the pack in literacy and below the international average in math.

Comparing fractions is important because it shows you how much of the whole is being represented within each fraction. Imagine you were sharing a cake. You wouldn’t want someone to get a much ...