GED Academy Links

What is a “square root”? It means you’re trying to find a number that, multiplied by itself, equals the number you started with. So, the square root of 25 is 5, because 5 times 5 is 25. Learn more about square roots… (more…)

What’s an exponent? Well, really it’s just a kind of math shorthand. Instead of writing out 5 × 5 × 5, you write 5³. The small number is how many times you multiply the number by itself. Simple! It’s meant to make math easier and less confusing… but if you’re not in on the secret, you’re missing out… and that just makes it more confusinng. So, learn more about exponents… (more…)

Scientific notation helps mathematicians and scientists work with very large and very small numbers. It’s a kind of mathematical shorthand. Learn more about how very big and very small the things we study can be… (more…)

Math Tutorials

(more…)