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Pre-Algebra Skills (Math 20)

Math 20:

-Multiplication

-Fractions

-Decimals

-Percent

-Geometry

-Integers

-Statistics

· Math

Math 20 Videos 

(recorded Spring 2018 at Clackamas Community College)

I hear a lot about Math Anxiety and for that I love to recommend this video:

My Mom Beth Josi is a motivational Speaker and she has been giving this seminar to help people my whole life: Winnervision (A video by Beth Josi to help motivate! Growth Mindset stuff): https://youtu.be/b2P8FLUiJtU

I made these videos of my class lessons from a Math 20 class I taught.

Fractions: 

Divisibility Rules: https://youtu.be/dhW24tzgeZ8

Order of Operations: https://youtu.be/A4esdxP4NZU

Primes vs. Composite: https://youtu.be/Rf073jZVTC8

Prime Factorization: https://youtu.be/Xsx7NCJGKZ8

Equivalent Fractions: https://youtu.be/lXveaEqBKIk

Equivalent Fractions and Adding Fractions: https://youtu.be/lFEgJgP2vco

Mixed Numbers & Improper Fractions: https://youtu.be/43o1F_55P7g

Equivalent Fractions & Cross Products: https://youtu.be/VkdhfUocCqw

Multiplying Fractions: https://youtu.be/1r9QOkkMbRU

Dividing Fractions: https://youtu.be/15blVeGBES4

Multiplying and Dividing Fractions: https://youtu.be/1EgE47JSwXU

Change mixed numbers to improper fractions before we multiply or divide: https://youtu.be/a5RzundJw3k

Decimals:

Scientific Notation: https://youtu.be/WbbF01k-gL0

Percent:

Solving Proportions: https://youtu.be/vw74kMJ21xg

Fractions, Decimals & Percent: https://youtu.be/ikFUqJ6RU8I

Percent Proportions: https://youtu.be/1jSy71a1bb4

Percent Word Problems: https://youtu.be/i56qqT6nS4w

Geometry:

Area, perimeter, and volume: https://youtu.be/UopVs_OOdSo

Pythagorean Theorem: https://youtu.be/pXtTGx_3d9I

Integer Operations:

Subtracting Integers: https://youtu.be/X4fMqCsivPc

Multiplying & Dividing Integers: https://youtu.be/4QxBC6pq5g8

Statistics:

Data, Mean, Median, Mode: https://youtu.be/wa2GKdEg7io