Khan Academy

Level 2 Exponents (K-A)

Level 3 exponents (K-A)

Multiplying in scientific notation (example) | Pre-Algebra | (K-A)

Multiplying three numbers in scientific notation (example) | Pre-Algebra | (K-A)

Order of operations, more examples | Linear equations | Algebra I | (K-A)

Scientific notation 1 (K-A)

Scientific notation 2 (K-A)

Scientific notation examples | Pre-Algebra | (K-A)

Scientific notation examples. (K-A)

Simplifying a cube root | Exponents, radicals, and scientific notation | Pre-Algebra | (K-A)

Applying the metric system | Ratios, proportions, units, and rates | Pre-Algebra | (KA)

Comparing Celsius and Fahrenheit temperature scales | Pre-Algebra | (KA)

Conversion between metric units | Ratios, proportions, units, and rates | Pre-Algebra | (KA)

Converting Fahrenheit to Celsius | Pre-Algebra | (KA)

Converting pounds to ounces | Ratios, proportions, units, and rates | Pre-Algebra | (KA)

Converting within the metric system | Pre-Algebra | (KA)

Unit conversion word problem: drug dosage | Introduction to algebra | Algebra I | (KA)

Converting yards into inches | Ratios, proportions, units, and rates | Pre-Algebra (KA)

Unit conversion word problem: roadtrip | Introduction to algebra | Algebra I | (KA)

Finding average speed or rate | Ratios, proportions, units, and rates | Pre-Algebra | (KA)

Unit conversion word problem: yards to inches | Introduction to algebra | Algebra I | (KA)

Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | (KA)

Unit conversion: arithmetic calculations on units of volume | Pre-Algebra | (KA)

Multi-step unit conversion word problem | Introduction to algebra | Algebra I | (KA)

Unit conversion: gallons to quarts, pints, and cups (KA)