7th Grade Math - Algebraic Operations

With Exponents

Writing Numbers Using Scientific Notation - tutorial, lesson plan, and worksheet from Riverdeep
Comparing Numbers Using Scientific Notation - tutorial, lesson plan, and worksheet from Riverdeep
Writing Numbers Between 0 and 1 in Scientific Notation - tutorial, lesson plan, and worksheet from Riverdeep

Simplify Expressions

Simplifying Algebraic Expressions - tutorial, lesson plan, and worksheet from Riverdeep
Combining Like Terms - tutorial, lesson plan, and worksheet from Riverdeep

Evaluating Expressions

Introducing Variables - tutorial from Riverdeep

Variables (lesson plan)

Evaluating Expressions Using Substitution - tutorial, lesson plan, and worksheet from Riverdeep

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