# Mortensen Math

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Mortensen Math was developed by Jerry Mortensen (V.J. Mortensen) while working as a Montessori elementary teacher in the 1970's. It is also called *More Than Math*.

## Contents

## Lessons

Photos of standard Montessori lessons modified to be done with Mortensen blocks:

## Sources

### Mortensen Math Direct

This is the official Mortensen Math website, but the site is hard to navigate and many of the sections don't seem to be working.

### Math-U-See

Math-U-See is based on Mortensen Math, but the lessons are more structured and formal. They also more closely follow the order of skills as they would be taught in traditional schools. It was developed by Steve Demme after being trained in the Mortensen Math method. This is widely available as a homeschool curriculum.

### Geoff White

This is the website of Geoff White who developed his own teacher's handbook for teaching Mortensen Math ($65 in .pdf form).

## Materials

The blocks pictured here are Math-U-See blocks. They are the same colors and size as Mortensen blocks, but are easier to come by. (The quality is also a bit better.)

## Further Reading

Mortensen Instead essay by Judith Townsend