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# Number Strings

## The Mathematics of Core Sampling: Division of Fractions

## Video: Division on the open number line in fourth grade

## Trusting the digits: Developing place value understanding

## Life beyond the algorithm: Division of decimals

## Biking on the fractional number line . . .

## A count around for fractions

## Number string structure and design

## Cars, coffee, and climbing stairs: Inviting students into the story

## Feet, inches and yards: Conversions on a ratio table

## Numeracy for high school: A unique challenge

## A “juicy” dilemma

## So, what’s the story?

## On the rug with Angela

## What is the difference between Number Strings and Number Talks?

## Complications with representing constant difference on an open number line

## Decimal Addition: The Wonders of Friendly Numbers & Compensation

a community for number string design