Yes, with this simple technique you can multiply 2 digit numbers in your head. The video also reviews a really easy method for multiplying larger numbers by 11 in a simple fashion.
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How To:
Understand the basics of exponent laws
How To:
Use and find x & y-intercepts in algebra
How To:
Multiply & Divide Numbers (Basic Elementary Math)
How To:
Find a slope of a line parallel/perpendicular to it
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Subtract a mixed number from a proper fraction in basic math
How To:
Find the standard deviation with the Z-Score formula
How To:
Write a slope-intercept equation given an X-Y table
How To:
Add fractions with unlike denominators
How To:
Find standard deviation
How To:
Find extra points for a parabola (quadractic equation)
How To:
Find the slope of a line given 2 points with fractions
How To:
Find the percentage of a number easily
How To:
Calculate Faster Than a Calculator
How To:
Determine if you have a function
How To:
Simplify a quadratic formula result
How To:
Use a TI-89 to calculate nCr
How To:
Complete a proof involving segments
How To:
Cancel out in basic algebra
How To:
Evaluate factorials with a TI-83 calculator
How To:
Understand the basics of exponent laws
How To:
Use and find x & y-intercepts in algebra
How To:
Multiply & Divide Numbers (Basic Elementary Math)
How To:
Find a slope of a line parallel/perpendicular to it
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Subtract a mixed number from a proper fraction in basic math
How To:
Find the standard deviation with the Z-Score formula
How To:
Write a slope-intercept equation given an X-Y table
How To:
Add fractions with unlike denominators
How To:
Find standard deviation
How To:
Find the slope of a line given 2 points with fractions
How To:
Find the percentage of a number easily
How To:
Find extra points for a parabola (quadractic equation)
How To:
Calculate Faster Than a Calculator
How To:
Determine if you have a function
How To:
Simplify a quadratic formula result
How To:
Evaluate factorials with a TI-83 calculator
How To:
Find how many toothpicks will be needed to form the nth figure in a sequence
How To:
Graph a parabola properly in vertex form
How To:
Cancel out in basic algebra
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