Lessons
5.1	Models of Addition Road Sign and Bus Problems Circle 21 Challenge Circle 99 challenge Circle 3 challenge (decimals!)
5.2	Zero and Opposites Make every circle add up to zero
5.3	Rules for Adding Positive and Negative Numbers Adding Integers - Click on Apply and Practice, then on Learning to review rules. Take a quiz. Play Jeopardy! Learning the rules activity (from "Matti") - This virtual manipulative uses plus-minus chips to demonstrate adding positive and negative values.
5.4	Combining Turns Making turns with Sketchpad - this activity is a revised version of Computer Master 7, p.27 Technology Sourcebook. Geometric Spinwheel - explore this Java Sketch. Drag the point and see what happens.  Here are Instructions for how to make one using Geometer's Sketchpad along with some assessment questions.
5.5	Adding Positive and Negative Fractions
5.6	Adding Probabilities Probability Explorer: Tossing coins
5.7	The Commutative and Associative Properties
5.8	Solving ax + b = c Solving equations - with a balance beam
5.9	Polygons Shape Makers
5.10	Adding Lengths
	Projects Summary and Vocabulary Progress Self-Test Chapter Review

 

CIESEmath, a middle school mathematics & technology teacher training project, is a joint effort between the Center for Improved Engineering and Science Education (CIESE) at Stevens Institute of Technology in Hoboken, New Jersey and the Elizabeth, New Jersey Public Schools.