Mathematics
Complex Numbers: The Cycle of i and Complex Arithmetic
Students discover the repeating pattern of powers of i, then add, subtract, multiply and divide complex numbers.
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Mathematics
Exponent Rules: Simplify, Match, and Fix the Mistakes
Students simplify expressions with the product, quotient, power, zero and negative exponent rules, match rules to examples, and fix common errors.
Mathematics
Rational Expressions: Simplify, Multiply and Name the Restrictions
Students simplify, multiply, divide and add rational expressions, match expressions to their restrictions, and diagnose false “cancelling.”
Mathematics
Trig Identities: Test, Simplify, Catch the Error
Students test identity claims with numbers, use the Pythagorean identity to find missing trig values, simplify expressions, and find an algebra error.