Pre-algebra

The foundations of Pre-Algebra from The Khan Academy.
4 reviews
WHAT'S INSIDE
  • Lifetime access to 23 lectures
  • 3+ hours of high quality content
  • A community of 300+ students learning together!
SHARE

Pre-algebra

The foundations of Pre-Algebra from The Khan Academy.
4 reviews

HOW UDEMY WORKS?

Discover courses made by experts from around the world.

Take your courses with you and learn anytime, anywhere.

Learn and practice real-world skills and achieve your goals.

COURSE DESCRIPTION

Videos on pre-algebra. You should be ready for the Algebra playlist if you understand everything here.

    • Over 23 lectures and 3.5 hours of content!

THE UDEMY GUARANTEE

30 day money back guarantee
Lifetime access
Available on Desktop, iOs and Android
Certificate of completion

CURRICULUM

  • 1
    Adding/Subtracting negative numbers
    09:15
    Adding and subtracting negative numbers
  • 2
    Multiplying and dividing negative numbers
    08:28
    Multiplying and dividing negative numbers
  • 3
    Adding and subtracting fractions
    09:48
    How to add and subtract fractions.
  • 4
    Multiplying fractions
    08:25
    Multiplying fractions
  • 5
    Dividing fractions
    08:58
    Dividing fractions
  • 6
    Introduction to Order of Operations
    09:40
    Order of Operations
  • 7
    More Complicated Order of Operations Example
    05:20
    More Complicated Order of Operations Example
  • 8
    Level 1 Exponents
    09:45
    Basic Exponents
  • 9
    Level 2 Exponents
    06:25
    negative exponents
  • 10
    Level 3 exponents
    09:11
    fractional exponents
  • 11
    Negative Exponent Intuition
    04:38
    Intuition on why a^-b = 1/(a^b) (and why a^0 =1)
  • 12
    Exponent Rules Part 1
    09:43
    Introduction to exponent rules
  • 13
    Exponent Rules Part 2
    07:43
    2 more exponent rules with an introduction to composite problems
  • 14
    Simplifying radicals
    09:43
    Using exponent rules to simplify radicals or square roots
  • 15
    Introduction to Logarithms
    09:47
    An introduction to logarithms
  • 16
    Unit conversion
    09:16
    Metric unit conversion
  • 17
    Speed translation
    09:55
    Translating speed units
  • 18
    Introduction to logarithm properties
    09:14
    Introduction to the first two logarithm properties.
  • 19
    Introduction to logarithm properties (part 2)
    10:04
    Second part of the introduction to logarithm properties.
  • 20
    Scientific Notation
    20:48
    Introduction to Scientific Notation
  • 21
    Scientific Notation Examples
    12:49
    More scientific notation examples
  • 22
    Introduction to Ratios (new HD version)
    14:13
    What a ratio is. Simple ratio problems.
  • 23
    Unit Conversion Example: Drug Dosage
    10:44
    Unit Conversion Example: Drug Dosage

UDEMY BY THE NUMBERS

5,200,000
Hours of video content
19,000,000
Course Enrollments
5,700,000
Students

RATING

  • 3
  • 0
  • 0
  • 0
  • 1
AVERAGE RATING
NUMBER OF RATINGS
4

REVIEWS

  • Brian Marcin
    Sal Rules!

    This was a great course, I used it to refresh myself for a college placement test. Sal gives the lectures and examples in a way that doesn't make it boring or monotonous and commits it to memory. I think I will do well, thanks to Sal!

  • Lifetime Access. No Limits!
  • Mobile Accessibility