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In this interactive object, learners simplify ratios and solve problems using proportions. All terms are defined.
Multiplication of a String of Signed Numbers
By Mona Wenrich
Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.
Simplifying Algebraic Expressions: Addition & Subtraction
By Allen Reed, Douglas Jensen
Learners read definitions of the terminology associated with algebraic operations and then follow steps to simplify algebraic expressions.
In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.
In this interactive object, learners study the properties of a trapezoid and use a geometric formula to find its perimeter and area.
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