Unit 1: 

Part 1:

Converting Fractions Decimals and Percents

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-fractions-decimals#cc-7th-fracs-to-decimals

 

Terminating and Repeating Decimals

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-repeating-decimals/v/converting-a-fraction-to-a-repeating-decimal

 

Perfect Squares/Cubes & Square/Cube Roots

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-roots/v/introduction-to-square-roots

 

Approximating Irrational Numbers

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/v/approximating-square-roots-2

 

Rational vs Irrational

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-irrational-numbers/v/introduction-to-rational-and-irrational-numbers

 

Comparing & Ordering

 

Part 2

 

Exponent Basics

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/v/exponent-properties-involving-products

 

Zero Exponents

Multiplying Exponents

 

Power of a Power

Dividing Exponents

Negative Exponents

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-pos-neg-exponents/v/negative-exponents

 

Scientific Notation

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation/v/scientific-notation-i

 

Operations with Scientific Notation

Times Greater

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation-compu/v/multiplying-and-dividing-in-scientific-notation

 

Scientific Notation Word Problems

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation-word-problems/v/calculating-red-blood-cells-in-the-body-using-scientific-notation