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Si apruebas este difícil examen de matemáticas mentales, ¡pensamos que te mereces un doctorado!
play.howstuffworks.com/quiz/you-pass-this-difficult-mental-math-quiz-you-deserve-a-phd-sp
¿Así que eres un genio de las matemáticas, verdad? Te vamos a poner a prueba con este cuestionario de matemáticas mentales que tiene una gran variedad de preguntas!
Only 20% of Adults Can Pass This 8th-Grade Math Test. Can You?
play.howstuffworks.com/quiz/only-20-adults-can-pass-this-8thgrade-math-test-can-you-learn
Calling all adults! It's probably been decades since you sat behind the desk in your 8th-grade math class, but we're willing to bet that some of that material is still in your brain! Do you remember slope intercept form? Does the name Pythagoras ring a bell? If it does, you're in the right place! Only 20% of adults can pass this 8th grade math test! Can you? Let's find out!
PEMDAS: Remembering Math's Order of Operations
science.howstuffworks.com/math-concepts/PEMDAS.htm
A simple math problem may seem to some of us like an inscrutable pile of numbers and symbols, just waiting to trip us up. PEMDAS to the rescue!
Scientific Notation Is Math's Version of Shorthand
science.howstuffworks.com/math-concepts/scientific-notation.htm
How do you calculate absurdly high numbers without writing them out in numerals? You use scientific notation. We'll give you examples and show you how.
Trig Identities: A Crash Course in Complex Math Concepts
science.howstuffworks.com/math-concepts/trig-identities.htm
Fundamental trigonometric identities, aka trig identities or trigo identities, are equations involving trigonometric functions that hold true for any value you substitute into their variables.
8 Exponent Rules You Need to Know for Your Next Math Test
science.howstuffworks.com/math-concepts/exponent-rules.htm
When you're dealing with exponents, numbers can get very big (or very small) very quickly. Therefore, it's helpful to have some short cuts.
How Zero Works
science.howstuffworks.com/math-concepts/zero.htm
You use the number zero all the time, but it may surprise you to learn that it sometimes isn't a number at all. It may surprise you even more to learn that it was all but invented. See what else surprises you about zero in this article.
How Fractals Work
science.howstuffworks.com/math-concepts/fractals.htm
Fractals have been around forever but were only defined in the last quarter of the 20th century. Think you can wrap your brain around how fractals work?
Science and Nature: Fractals
science.howstuffworks.com/fractal-pictures.htm
Fractals produce fascinating and intricate designs. In fact, nature offers innumerable examples of fractal loveliness, and we've collected some of the coolest ones for your viewing pleasure. You're welcome.
How Tessellations Work
science.howstuffworks.com/math-concepts/tessellations.htm
Mathematics achieves the sublime. Sometimes, as with tessellations, it rises to art. In their simplest form, tessellations consist of a single shape that repeats over a two-dimensional plane without any gaps. Why was M.C. Escher so fixated on them?