Introduction
Welcome
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What you should know before watching this course
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Using the exercise challenge files
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1. Adding Integers
Introduction to integers
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Adding integers with the same sign
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Absolute value
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Adding integers with different signs
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Challenge: Add integers
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Solution: Add integers
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2. Subtracting Integers
Identifying the rule for subtracting integers
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Challenge: Subtract integers
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Solution: Subtract integers
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3. Multiplying and Dividing Integers
Identifying the rules for multiplying and dividing integers
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Challenge: Multiply and divide integers
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Solution: Multiply and divide integers
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4. Order of Operations
Introduction to the order of operations using PEMDAS
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Order of operations: Parentheses and exponents
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Order of operations: Other grouping symbols
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Challenge: Use the order of operations
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Solution: Use the order of operations
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5. Evaluating Expressions
Using variables to translate algebraic expressions
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Evaluating expressions by substituting for the variable
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Evaluating expressions using a table of values
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Challenge: Evaluate expressions
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Solution: Evaluate expressions
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6. Word Problems and Algebraic Expressions
Introduction to common mathematical words
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Writing algebraic expressions for real-world problems
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More real-world problems
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Challenge: Translate word problems into algebraic expressions
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Solution: Translate word problems into algebraic expressions
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7. The Distributive Property
Proving the distributive property
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Distributing a positive number
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Distributing a negative number
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Distributing a negative number: Problem 2
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Challenge: Distribute a negative number
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Solution: Distribute a negative number
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8. Simplifying Expressions
Introduction to like terms
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Combining like terms
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Simplifying expressions using the distributive property
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Simplifying expressions with double distributive property
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Challenge: Use the distributive property to combine like terms
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Solution: Use the distributive property to combine like terms
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Ex_Files_PreAlgebra.zip
(307 KB)