Do you frequently feel that multiplication is difficult or time-consuming? Multiplication speed can significantly increase your confidence in arithmetic, whether you're doing problems in class or ...

When you multiply a 3-digit number by a 1-digit number, the best way to do this without a calculator is to use short multiplication. This is how you would use short multiplication to find out the ...

Now that we've learned the basics of lightning fast mental addition, mental subtraction, and mental multiplication, it's time to turn our attention to a few tips that will help you take your skills to ...