This video demonstrates, without narration, a trick to multiplying large numbers. To do the trick, just draw a diagonal line for every unit in the number and add up the number of times the lines cross.
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How To:
Figure out the domain & range of a piecewise function
How To:
Find the formula of a piecewise function given a graph
How To:
Calculate percent composition for chemistry
How To:
Find and sketch the domain of a multivariable function
How To:
Find the area of a triangle when given 2 sides & angle
How To:
Find standard deviation
How To:
Complete a proof involving segments
How To:
Convert Fahrenheit to Celsius with a formula
How To:
Find the Percent Given Two Numbers
How To:
Find the standard deviation with the Z-Score formula
How To:
Use a TI-89 to calculate nCr
How To:
Remember "greater than" & "less than" symbols
How To:
Calculate Faster Than a Calculator
How To:
Find a number given Its percent
How To:
Convert between diameter and radius
How To:
Divide small numbers by big numbers
How To:
Find the slope from a set of points
How To:
Find the 100th term in a sequence
How To:
Find the Volume of Composite Figures (Also Called Composite Shapes)
How To:
Evaluate factorials with a TI-83 calculator
2 Comments
thats all fine and well if you multiply equal ammounts of numbers. now what if they are different, say 569 x 73? it doesnt form the same type of grid and i am lost as to which crossing places you add up.
dont get weird
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