# Month: August 2010

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## New BuzzMath Document – Investigating Patterns of Integer Multiplication and Division

(Middle School > Numbers and Operations > Operations with Rationals > Multiplication and Division> Integers) Integer multiplication and division are not hard to teach. We can tell our students the rules and for the most part, they can apply those rules. But wait! Do they know why these “magical” rules exist? Is a negative times a negative positive only because […]

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## New BuzzMath Document – Adding Integers with and without a Number Line

(Numbers and Operations > Operations with Rationals > Addition and Subtraction > Integers) Once students have mastered the use of a number line to add integers, it’s time to begin working towards meaningful algorithms. I really like how Adding Integers With and Without a Number Line progresses naturally from students’ experience with a number line to generalizing what is happening […]

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## New BuzzMath Document – Adding Negative and Positive Integers Using a Number Line

(Numbers and Operations > Operations with Rationals > Addition and Subtraction > Integers) The interactive number line tool in Adding a Negative and a Positive Integer Using a Number Line is ideal for students’ first experience with adding integers of different signs. As students drag an arrow from an initial location to the final sum, they learn to associate adding […]

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## BuzzMath 1.32 – 3 New Documents, Improved Cartesian Plane, Improved MySubscription, Live Chat Experiment

We updated BuzzMath.com to Version 1.32 on Tuesday, August 17th, 2010. What’s New Three new documents are in town! Bonnie worked hard on these: Adding a Negative and a Positive Integer Using a Number Line Adding Integers With and Without a Number Line Investigating Patterns of Integer Multiplication and Division What’s Better Steve improved the Cartesian Plane with new graphics. […]

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## BuzzMath 1.31 – Parents can now see past receipts + it’s easy to cancel!

We updated BuzzMath.com to Version 1.31 on Monday, August 2nd, 2010. What’s New Parents can now see their past receipts and easily cancel their accounts. What’s Better We added a lot of new illustrations. Yahoo!