Multiplying and dividing whole numbers by numbers greater than 0 and less than 1 can be broken into a whole number calculation followed by multiplying or dividing by a power of 10, for example 10, 100 ...

More work with fractions but using time, and some additional work on multiplication. This lessons has some more work with fractions but using time, and some additional work on multiplication.

Join Ms. Askew for a Mystery Math Mistake. Can you find her division mistake? D.C is going to help us understand how to decompose fractions to make a whole number! Math Mights is available to stream ...

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 ...

Now that Múinteoir Clíona has shown you how to multiply fractions with whole numbers and multiply fractions by fractions using real-life examples, why not try our Fun with Fractions quizzes? Have a ...

In 1971, German mathematicians Schönhage and Strassen predicted a faster algorithm for multiplying large numbers, but it remained unproven for decades. Mathematicians from Australia and France have ...