Before we had the calculator and before we had the abacus we had the human brain to complete our math problems for us. Remember that? Well, it seems that few of us do, resorting to calculators on our phone for elementary subtraction problems and multiplication.
Strengthen your brain muscle by checking out this video on how to calculate fast than a calculator in less than 4 minutes. Because being good at fast mental math means you'll never get jipped.
How To:
Find the Percent Given Two Numbers
How To:
Remember "greater than" & "less than" symbols
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Calculate Faster Than a Calculator
How To:
Find a number given Its percent
How To:
Find the formula of a piecewise function given a graph
How To:
Convert Fahrenheit to Celsius with a formula
How To:
Find a missing coordinate given: coordinate & equation
How To:
Figure out the domain & range of a piecewise function
How To:
Do long division without a calculator
How To:
Convert between diameter and radius
How To:
Find a missing side of a triangle, similar to another
How To:
Calculate the height and volume of a pyramid
How To:
Calculate the area of a parallelogram
How To:
Find density using the water displacement method
How To:
Find the standard error of the mean
How To:
Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle
How To:
Find the area of a parallelogram using geometry
How To:
Calculate percent composition for chemistry
How To:
Find the Percent Given Two Numbers
How To:
Remember "greater than" & "less than" symbols
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Calculate Faster Than a Calculator
How To:
Find a number given Its percent
How To:
Find the formula of a piecewise function given a graph
How To:
Convert Fahrenheit to Celsius with a formula
How To:
Find a missing coordinate given: coordinate & equation
How To:
Figure out the domain & range of a piecewise function
How To:
Do long division without a calculator
How To:
Convert between diameter and radius
How To:
Find a missing side of a triangle, similar to another
How To:
Calculate the height and volume of a pyramid
How To:
Calculate the area of a parallelogram
How To:
Find density using the water displacement method
How To:
Find the standard error of the mean
How To:
Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle
How To:
Find the area of a parallelogram using geometry
How To:
Calculate percent composition for chemistry
26 Comments
that's great we learned something like that in college, nemeric methods was called
god bless you bro
wow! that is really incredible
this is awesome. finally i get to not suck at mental math.
;-)
Hot everyone needs to know this!
that is only applicable with 90 to 99 not below 90...
good try. obviously you haven't been thinking
really good video
the guys accent is kinda funny
I like it. Fun little math trick.
kind of good but it only tech u 90-99 so year but i got most ansers right because of this so year kind of good kind of bad no afenses
im new someone be my guide
I LOVE THIS MAN WHAT A BEAUTIFULL THING TO DO PASS YOUR KNOWLEDGE ON FOR FREE. AND I LOVE THE ACCENT.
thans alot
nice ^^
good one
now i got it thnx
try to use your cellphones calculator. its always available.
It is an excellent way to teach our children s, thank u very much for the information May god bless all
awesome !
s amazing , awesome
thank you very much
great stuffff
thanks!
thanks!
Ohh great!!! I really like this post because maths is my favorite subject.
Awesome! I love this clip.
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