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Multiplication Algorithm Using Squares with Diagonals

  Aside from the standard multiplication algorithm (algorithm really means steps or methods) that we already know, there is another method to do multiplication. That is, to place the numbers in squares. This method can be used for multiplying 2-digit numbers. We will call this method the Square Diagonal Multiplication Algorithm Steps in Multiplication Algorithm […]

The Whole Number Mixed Fraction Multiplication Secret

In the previous post, we have learned a strategy on multiplying whole numbers by mixed fractions. We have learned that instead of converting the mixed fraction part to improper fractions, we split the numbers and the fraction and then multiplied them separately. One example for this is 8 ¾ × 2. Instead of converting 8 ¾ to the improper fraction 35/4, […]

Why The Sum Prediction Math Trick Works

In the previous post, we have learned the sum prediction math trick, a cool math trick that let’s you predict the sum of five numbers. In this post, we are going to learn why this math trick works. Needless to say, you need to read the previous post in order to understand the explanation below. […]

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Amaze Your Friends with The Sum Prediction Math Trick

If you want to impress your friends by reading their mind in advance, I bet that you want to learn this trick. This allows you to predict the sum in advance of the 5 numbers that you and your friend will write on a piece of paper. Note that the time your friend wrote the […]