Introduction to Logarithms: Oh, I get it. Cool!

Introduction to Logarithms: "The answer to a log is the power on the base"

What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer. Lesson by Steve Kelly, animation by TED-Ed.

TedEd video: What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer.

lol, still need to memorize these...

Math Formulas and Math Tables

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Teaching manipulation of expressions and equations before introducing variables « The Number Warrior

Teaching manipulation of expressions and equations before introducing variables

Cool video for grade 12 logs, or younger grades, to develop understanding why we need logarithmic scales.with Austin Underhill, the Friendly Space Whale

TEACHER: And that is how you find the MIN/MAX on your calculator. *BOOM* Drop the mic! STUDENT: What do I put in Y1? _ _ _ _ _ _ _ _ _ No more of this! Give your students a great reference sheet to put in their notebook and NEVER ask you the keystrokes again!

TEACHER: And that is how you find the MIN/MAX on your calculator. *BOOM* Drop the mic! STUDENT: What do I put in _ _ _ _ _ _ _ _ _ No more of this! Give your students a great reference sheet to put in their notebook and NEVER ask you the keystrokes again!

"Worksheet with list of functions that precalculus students ought to come to know very very well (y=x, y=x^2, y=x^3, y=x^-1, y=x^1/2, etc). Early in the year, I spend five minutes of class having students fill out as much of the first page as they can and then I collect them (but don't grade them). We repeat this off and on until most people can do the whole page in five minutes. Later, we do the same thing with the second page (trig, log and exponential functions).

"Worksheet with list of functions that precalculus students ought to come to know very very well"

probably the only successful version of this picture..

Daily Afternoon Randomness (51 Photos)

flipping blonde Hair in blue water. throw head back makes perfect circle of hair and water beautiful women with long hair, and men with long beards can do this also

What a great use for buttons! Gorgeous Button Art!

giant colorful circle made of buttons like sacred geometry mandala meditation diy ;

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