These videos demonstrate the use of a number line when teaching conceptual math skills.

These videos are also available as a playlist on our YouTube channel.

1. Anticipating Part One

 

This video details students' strategies, methods, and misconceptions with the number line CDT.

 

Resources:

Thinking through a lesson plan protocol

 

2. Anticipating Part Two

 

This video details anticipating student engagement with the number line task, or CDT.

 

3. Monitoring

 

This video details different ways to help students work at their task, or CDT.

 

Resources:

Question Ideas

 

 

4. Connecting

 

This video details how to use student presentation of work to build toward the mathematical concept being taught.

Task: These fractions fell out of order. Put them in the correct order and correct place on the number line.

 

Lesson Plan: Number Line

Take the test!