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Pre-algebra

#### Course content

#### Arithmetic properties

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#### Reading and interpreting data

#### Measurement

#### Volume of a rectangular prism

#### Negative numbers and coordinate plane

#### Ratios, rates, proportions

#### Equations, expressions, and inequalities

#### Exponents, radicals, and scientific notation

Free

452 Lessons

Place value

Finding place value

Place value tables

Writing a number in standard form

Writing a number in expanded form

Writing numbers in words and standard form

Comparing place values

Understanding place value

Place value when multiplying and dividing by 10

Regrouping numbers into various place values

Comparing whole number place values

Regrouping whole number place values

Adding whole numbers by their place values

Rounding whole numbers

Rounding to the nearest 10 on the number line

Rounding whole numbers to nearest ten

Rounding to the nearest 100 on the number line

Rounding whole numbers to nearest hundred

Rounding whole numbers to nearest thousand

Regrouping whole numbers

Regrouping whole numbers: 675

Regrouping whole numbers: 76,830

Regrouping whole numbers: 430

Order of operations

Intro to order of operations

Order of operations example

Worked example: Order of operations (PEMDAS)

Order of operations (2-step expressions)

Arithmetic properties

Properties of multiplication

Properties and patterns for multiplication

Commutative law of addition

Commutative law of multiplication

Commutative property of multiplication

Associative law of addition

Associative law of multiplication

Associative property of multiplication

Using associative property to simplify multiplication

Identity property of 1

Identity property of 0

Inverse property of addition

Inverse property of multiplication

Distributive property over subtraction

Distributive property exercise examples

Distributive property when multiplying

Distributive property

Distributive property over addition

Rational and irrational numbers

Intro to rational & irrational numbers

Classifying numbers: rational & irrational

Divisibility tests

Divisibility tests for 2, 3, 4, 5, 6, 9, 10

Recognizing divisibility

The why of the 3 divisibility rule

The why of the 9 divisibility rule

Factors and multiples

Finding factors of a number

Finding factors and multiples

Prime numbers

Prime numbers

Recognizing prime and composite numbers

Prime factorization

Prime factorization

Prime factorization exercise

Common divisibility examples

Least common multiple

Least common multiple

Least common multiple: repeating factors

Least common multiple of three numbers

Greatest common factor

Greatest common factor examples

Greatest common factor explained

GCF & LCM word problems