We live in a world written in number, from the binary code that drives the information age to the dollar, euro and yuan figures that shape the behavior of nations, corporations and individuals. For ...

Multiplication is working out how many groups of something you have altogether. Division is working how many you get, after sharing a number between another number. You can use place value charts to ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Learn how to multiply and divide decimals by 100. Based on this video, see if you can work out how to ...

Fractions, often perceived as daunting, become manageable with the right approach. Addition and subtraction require finding a common denominator, while multiplication involves directly multiplying ...

Want to help your third-grader master the basics of 3rd grade math? Here are some of the skills your child will be learning in the classroom. Understand what it means to multiply numbers – for example ...

“Who would draw a picture to divide 2/3 by 3/4?” asked Marina Ratner, a professor emerita of mathematics at the University of California at Berkeley, in a recent Wall Street Journal opinion piece.

A lot of students begin by finding a common denominator for the dividend and divisor when dividing by a fraction. And a lot of teachers intervene by saying, “Remember, you only need a common ...

When I first saw this Japanese multiplication method, I just couldn’t believe it. Then I tried it and it works perfectly, but still can’t understand how it works—or how anyone found this method. You ...

Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.