law of multiple proportions   12 videos

• Least Common Multiple

Pre-AlgebraPrime Numbers

Vocabulary of multiples and least common multiples

• Multiplication and Division

Pre-AlgebraIntegers

Learn how to multiply and divide positive and negative numbers.

• Multiplication and Division with Decimals

Multiplying and dividing decimals by ignoring and later replacing the decimal point

• Calculating Percents

Solving percent problems using proportions

• Similar Triangles

Pre-AlgebraIntroductory Geometry

Overview of similarity: congruent angles, proportional corresponding sides

• Exponents

Pre-AlgebraIntegers

Exponents are a short cut for writing repeated multiplication

• Solving Equations with fractions and decimals by "Clearing"

Pre-AlgebraSolving Equations and Inequalities

Solving equations with fractions by multiplying by the least common multiple

• Commutative, Associative

Pre-AlgebraProperties of Numbers

Overview of the commutative and associative properties for addition and multiplication

• Distributive

Pre-AlgebraProperties of Numbers

Introduction to the distributive property of multiplication over addition or subtraction

• Multiplying and Dividing

Pre-AlgebraWhole Numbers

Looking at how multiplication represents repeated addition, as well as special cases of multiplying and dividing whole numbers