This Design Idea presents a method for fast integer multiplying and multiplying by fractions. What can you do when you lack access to a hardware multiplier or MAC (multiply/accumulate) function and ...

An animated guide in which fractions multiply to make baby fractions and a rather violent fraction divides numbers with a chainsaw. Use to illustrate the processes of multiplying fractions, and ...

You can multiply a mixed number by an integer using two different methods. You can convert the mixed number into an improper fraction. An improper fraction has a numerator greater than its denominator ...

Multiplying values is one of the most frequently performed functions in Excel, so it should be no surprise that there are several ways to do this. You can use whichever method is best suited to what ...

“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.

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...