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Identity Properties (Discussion)
Introduces the concepts of the additive identity and multiplicative identity and how they are used when solving equations.
Distributive Property (Discussion)
Introduces the concept of the distributive property.
This worksheet is for use with the lesson Sets and the Venn Diagram Beginner (http://www.shodor.org/interactivate/lessons/SetsTheVennDiagramBeginner/).
Dimension and Scale (Discussion)
Discusses fractal dimension, how that dimension relates to scale, and the formula needed to calculate the fractal dimension of an object.
Demonstrates how fractions are added and subtracted.
This worksheet is for use with the Two Variable Function Pump activity (http://www.shodor.org/interactivate/activities/TwoVariableFunction/).
This worksheet is for use with the Clock Arithmetic activity (http://www.shodor.org/interactivate/activities/ClockArithmetic/).
This worksheet is for use with the Sierpinski's Carpet activity (http://www.shodor.org/interactivate/activities/SierpinskiCarpet/).
Shows how modular arithmetic can be thought of as clock arithmetic.
Divisibility (Discussion)
The question of fairness in a game of two dice leads to the concept of divisibility.

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