Mental Subtraction

How To : Perform mental subtraction for math class

Having problems with subtraction. For some people, mathematics doesn't come easy, but there are tricks to solving certain problems, like subtraction. Check out this math video tutorial to learn how to perform mental subtraction for math class. Learn to calculate and subtracti ...more

How To : Subtract numbers in yout head

This how-to video explains in detail about an alternate mental subtraction method. This method is very simple if we practice this mentally rather than solving it on papers. Let's learn this method using an example, let us subtract 7589 from 9456, first we need to subtract 700 ...more

How To : Be a human calculator

Before we had the calculator and before we had the abacus we had the human brain to complete our math problems for us. Remember that? Well, it seems that few of us do, resorting to calculators on our phone for elementary subtraction problems and multiplication. Strengthen you ...more

News : 21 Free Android Apps Your Kids Will Love

Today's smartphones and tablets offer a great way for children to learn through interactive sight, sound, and touch, but they can also provide hours of genuine fun. If you have a spare tablet laying around—or at least a nice, durable case—the only thing you need to get your ch ...more

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