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Information for lesson: "Pre-algebra Khan Academy"
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Information for lesson
"Pre-algebra Khan Academy"
Videos on pre-algebra. Should be ready for the "Algebra" playlist if you understand everything here.
OpenCourseware from Khan Academy, MIT, UC Berkeley, Stanford along with many of the World's finest University's.
Michael Williams, Default Professor
Negative Numbers Introduction
Adding/Subtracting negative numbers
Multiplying and dividing negative numbers
Adding and subtracting fractions
Introduction to Order of Operations
More Complicated Order of Operations Example
Level 1 Exponents
Level 2 Exponents : negative exponents
Level 3 exponents : fractional exponents
Negative Exponent Intuition : Intuition on why a^-b = 1/(a^b) (and why a^0 =1)
Exponent Rules Part 1
Exponent Rules Part 2 : 2 more exponent rules with an introduction to composite problems
Simplifying radicals : Using exponent rules to simplify radicals or square roots
Introduction to Logarithms
Metric unit conversion
Introduction to logarithm properties
Introduction to logarithm properties (part 2)
Scientific Notation Examples
Introduction to Ratios
Unit Conversion Example: Drug Dosage
Common Divisibility Examples
Binary Numbers : Understanding how numbers are represented.
Binary, Decimal and Hexadecimal Number Systems
Number Base Conversion Practice
More on Significant Figures : Understanding the "rules of thumb" for significant figures
Multiplying and Dividing with Significant Figures
Addition and Subtraction with Significant Figures
Pure Numbers and Significant Digits
Liar Truthteller Brain Teaser : How to get correct advice when you can only ask one question from either a
Toggler Brain Teaser : Separating the truthteller from the togglers!
Alien Abduction Brain Teaser : Saving Earth from becoming a mushroom farm.
Brain Teaser: Blue Forehead Room : What happens when 100 perfect logicians have to figure out if they ea
Blue Forehead Room Solution : Do not watch before Blue Forehead Room. THIS IS THE SOLUTION!
Forehead Numbers Brain Teaser
Light Bulb Switching Brain Teaser : Turning light bulbs on and off.
Path Counting Brain Teaser : Counting paths in a square
3-D Path Counting Brain Teaser : Extending the path counting to three dimensions
MTEL Math Practice Test
MTEL Math Practice Test: 5-8
MTEL Math Practice Test: 9-11
MTEL Math Practice Test: 12-15
MTEL Math Practice Test: 16-19
MTEL Math Practice Test: 20-23
MTEL Math Practice Test: 24-27
MTEL Math Practice Test: 28-30
MTEL Math Practice Test: 31-35
MTEL Math Practice Test: 36-40
MTEL Math Practice Test: 41-45
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