Course: Pre-algebra Dnatube
share this page with the world.
Lec 1 - Negative Numbers Introduction
Negative Numbers Introduction
Lec 2 - Adding/Subtracting negative numbers
Adding/Subtracting negative numbers Adding and subtracting negative numbers
Lec 3 - Adding and subtracting fractions
Adding and subtracting fractions How to add and subtract fractions.
Lec 4 - Dividing fractions
Dividing fractions Dividing fractions
Lec 5 - Introduction to Order of Operations
Introduction to Order of Operations Order of Operations
Lec 6 - More Complicated Order of Operat ...
More Complicated Order of Operations Example More Complicated Order of Operations Example
Lec 7 - Level 1 Exponents
Level 1 Exponents Basic Exponents
Lec 8 - Level 2 Exponents
Level 2 Exponents negative exponents
Lec 9 - Level 3 exponents
Level 3 exponents fractional exponents
Lec 10 - Negative Exponent Intuition
Negative Exponent Intuition Intuition on why a^-b = 1/(a^b) (and why a^0 =1)
Lec 11 - Exponent Rules Part 1
Exponent Rules Part 1 Introduction to exponent rules
Lec 12 - Exponent Rules Part 2
Exponent Rules Part 2 2 more exponent rules with an introduction to composite problems
Lec 13 - Simplifying radicals
Simplifying radicals Using exponent rules to simplify radicals or square roots
Lec 14 - Introduction to Logarithms
Introduction to Logarithms- An introduction to logarithms
Lec 15 - Unit conversion
Unit conversion Metric unit conversion
Lec 16 - Speed translation
Speed translation Translating speed units
Lec 17 - Introduction to logarithm prope ...
Introduction to logarithm properties Introduction to the first two logarithm properties.
Lec 18 - Introduction to logarithm prope ...
Introduction to logarithm properties (part 2) Second part of the introduction to logarithm properties.
Lec 19 - Scientific Notation (old)
Scientific Notation (old) Introduction to Scientific Notation
Lec 20 - Scientific Notation Examples
Scientific Notation Examples More scientific notation examples
Lec 21 - Introduction to Ratios (new HD ...
Introduction to Ratios (new HD version) What a ratio is. Simple ratio problems.
Lec 22 - Unit Conversion Example: Drug D ...
Unit Conversion Example: Drug Dosage Unit Conversion Example: Drug Dosage
Lec 23 - Common Divisibility Examples
Common Divisibility Examples Common Divisibility Examples
Lec 24 - Binary Numbers
Binary Numbers Understanding how numbers are represented. Introduction to binary numbers
Lec 25 - Binary, Decimal and Hexadecimal ...
Binary, Decimal and Hexadecimal Number Systems Conceptualizing different number systems
Lec 26 - Number Base Conversion Practice
Number Base Conversion Practice Converting between decimal, binary and hexadecimal number systems
Lec 27 - Significant Figures
Significant Figures Introduction to significant figures
Lec 28 - More on Significant Figures
More on Significant Figures Understanding the "rules of thumb" for significant figures
Lec 29 - Multiplying and Dividing with S ...
Multiplying and Dividing with Significant Figures Multiplying and dividing with significant figures
Lec 30 - Addition and Subtraction with S ...
Addition and Subtraction with Significant Figures Addition and Subtraction with Significant Figures
Lec 31 - Pure Numbers and Significant Digits
Pure Numbers and Significant Digits Pure Numbers and Significant Digits
Lec 32 - Ordering Negative Numbers
Ordering Negative Numbers Ordering negative numbers from least to greatest
Lec 33 - Comparing Absolute Values
Comparing Absolute Values Evaluating and comparing absolute values
Lec 34 - Ordering Fractions
Ordering Fractions Finding common denominators of multiple fraction to order them
Lec 35 - Inverse Property of Multiplication
Inverse Property of Multiplication Simple idea that multiplying by a numbers multiplicative inverse gets you back to one
Lec 36 - Inverse Property of Addition
Inverse Property of Addition The simple idea that a number plus its negative is 0
Lec 37 - Interpreting Linear Graphs
Interpreting Linear Graphs Interpreting Linear Graphs
Pre-algebra
Source of these courses is khan
This is Pre-algebra course from Khan University. These lectures show example problems from random math competitions videos on pre-algebra. Should be ready for the "Algebra" playlist if you understand everything here.
khan Website: http://www.dnatube.com/school/khan
