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#
8th grade Math

#### Course content

#### Numbers and operations

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#### Solving equations with one unknown

#### Linear equations and functions

#### Systems of equations

#### Geometry

#### Geometric transformations

Free

261 Lessons

Repeating decimals

Converting a fraction to a repeating decimal

Converting repeating decimals to fractions (part 1 of 2)

Converting repeating decimals to fractions (part 2 of 2)

Square roots & cube roots

Intro to square roots

Intro to cube roots

Worked example: Cube root of a negative number

Square root of decimal

Dimensions of a cube from its volume

Irrational numbers

Intro to rational & irrational numbers

Classifying numbers: rational & irrational

Classifying numbers

Worked example: classifying numbers

Approximating irrational numbers

Approximating square roots

Comparing irrational numbers with radicals

Approximating square roots to hundredths

Comparing values with calculator

Exponents with negative bases

Exponents with negative bases

The 0 & 1st power

Even & odd numbers of negatives

1 and -1 to different powers

Sign of expressions challenge problems

Powers of zero

Exponent properties intro

Exponent properties with products

Exponent properties with parentheses

Exponent properties with quotients

Negative exponents

Negative exponents

Negative exponent intuition

Exponent properties (integer exponents)

Multiplying & dividing powers (integer exponents)

Powers of products & quotients (integer exponents)

Powers of zero

Working with powers of 10

Multiplying multiples of powers of 10

Approximating with powers of 10

Scientific notation intro

Scientific notation example: 0.0000000003457

Scientific notation examples

Arithmetic with numbers in scientific notation

Multiplying & dividing in scientific notation

Multiplying three numbers in scientific notation

Subtracting in scientific notation

Simplifying in scientific notation challenge

Scientific notation word problems

Scientific notation word problem: red blood cells

Scientific notation word problem: U.S. national debt

Scientific notation word problem: speed of light