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Reviews long division of integers and modular arithmetic.

Introduces the addition and subtraction of integers.

This worksheet is for use with the Fraction Finder activity (http://www.shodor.org/interactivate/activities/FractionFinder/).

Introduces a method for finding perimeters of irregular shapes on a grid.

Different methods for random fair choice between several numbers.

Introduces the multiplication of integers.

This worksheet is for use with the Equivalent Fractions Pointer activity (http://www.shodor.org/interactivate/activities/EquivFractionPointer/).

This worksheet is for use with Venn Diagram Shape Sorter (http://www.shodor.org/interactivate/activities/ShapeSorter/).

This worksheet is for use with the Simple Coordinates Game activity (http://www.shodor.org/interactivate/activities/SimpleCoordinates/).

Introduction to various estimation methods through the simulation of a forest fire.