Khan Academy

Square roots review (K-A)

Worked example: Cube root of a negative number (K-A)

Classifying – video (K-A)

Approximating square roots to -video (K-A)

Classifying numbers review – link (K-A)

Approximating square roots walk through-(link) (K-A)

Classifying numbers: rational & irrational – video (K-A)

Approximating square roots-(video) (K-A)

Intro to rational & irrational numbers – video (K-A)

Comparing irrational numbers with radicals (K-A)

Worked example: classifying numbers (K-A)

Comparing values with calculator (K-A)

1 and -1 to different powers (K-A)

Even & odd numbers of negatives (K-A)

Exponents with negative bases-video (K-A)

Powers of zero-video (K-A)

Sign of expressions challenge problems (K-A)

The 0 & 1st power (K-A)

Exponent properties review (K-A)

Exponent properties with parentheses (K-A)

Exponent properties with products (K-A)

Exponent properties with quotients (K-A)

Negative exponent intuition (K-A)

Negative exponents review (K-A)

Negative exponents-video (K-A)