Multiplication and Multiplication Games answers questions


Number line
Number line

Multiplying numbers is like jumping along the number line, with all your jumps the same size. It's the same thing as addition, except that you repeat it a certain number of times. So if you are multiplying 4 times 3, it means 3 + 3 + 3 + 3, which describes how you make four jumps on the number line, going three spaces forward each time.

One interesting thing about multiplication is that it is commutative: it doesn't matter whether you multiply 4 times 3 or 3 times 4; you'll get the same answer either way.

A multiplying game with jumping
A site to practice your multiplication tables: Learn Your Tables

Bibliography and further reading about multiplication:

More about Math home

Professor Carr

Karen Eva Carr, PhD.
Assoc. Professor Emerita, History
Portland State University

Professor Carr holds a B.A. with high honors from Cornell University in classics and archaeology, and her M.A. and PhD. from the University of Michigan in Classical Art and Archaeology. She has excavated in Scotland, Cyprus, Greece, Israel, and Tunisia, and she has been teaching history to university students for a very long time.

Professor Carr's PSU page

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