## Introduction to Complements

In this blog post, I continue working through Gattegno Mathematics Textbook 1. We

## #Play Blocks

One day she will connect it all to numbers. But today, she is playing blocks. Gattegno/Cuisenaire,

## Staircases and Cuisenaire

We've come to staircases, which are covered in exercises 10-12 of chapter 2 in Gattegno's

## Trains and Equivalence

Over the next few weeks, possibly months, we're going to be walking through Gattegno's

## Hundred Face Challenge

A couple years ago Malke Rosenfeld, author of Socks are Like Pants, Cats are Like

## Algebra Before Arithmetic

So you watched some video at Crewton Ramone's House of Math, and you thought, "Oh

## Counting and Why It Matters

There are lessons I learned from Crewton Ramone and Jerry Mortensen that will stick

## The Ultimate Cuisenaire Rods & Gattegno Teaching List

Want to Learn Gattegno Start HereGattegno Mathematics Textbook 1. This is the first

## Caleb Gattegno’s Algebra Before Arithmetic

In the history of base ten blocks,  Caleb Gattegno's name cannot be ignored. In