Math 112 Prealgebra

 Skill Notes Sample Problems Videos Pencast Lectures Practice Preparing for a Math Test Taking a Math Test INTEGERS PA-1 Recognizing Integers; Opposite and Absolute Value Compare: PA-2 Adding Integers PA-3 Subtracting Integers PA-4 Adding/Subtracting Integers PA-5 Multiplying Integers PA-6 Dividing Integers PA-7 Multiplying and Dividing Integers PA-8 Raising Integers to Positive Integer Exponents PA-9 Performing Combined Operations on Integers SIGNED FRACTIONS PA-10 Recognizing Signed Numbers; Opposite and Absolute Value Which is larger? or PA-11 Simplifying Signed Fractions Simplify: PA-12 Multiplying/Dividing Signed Fractions PA-13 Adding/Subtracting Signed Fractions PA-14 Performing Exponentiation and Combined Operations with Signed Fractions PA-15 Simplifying Complex Fractions Involving Signed Fractions SIGNED MIXED NUMBERS PA-16 Adding Signed Mixed Numbers PA-17 Subtracting Signed Mixed Numbers PA-18 Multiplying Signed Mixed Numbers PA-19 Dividing Signed Mixed Numbers PA-20 Performing Exponentiation and Combined Operations on Signed Mixed Numbers PA-21 Simplifying Complex Fractions Involving Signed Mixed Numbers SIGNED DECIMAL NUMBERS PA-22 Adding/Subtracting Signed Decimal Numbers PA-23 Multiplying Signed Decimal Numbers PA-24 Dividing Signed Decimal Numbers PA-25 Performing Combined Operations on Signed Decimal Numbers EVALUATING ALGEBRAIC EXPRESSIONS PA-26 Evaluating Algebraic Expressions Using Integer Values Evaluate . PA-27 Evaluating Algebraic Expressions Using Fractional Values Evaluate . PA-28 Evaluating Algebraic Expressions Using Decimal Values Evaluate . SIMPLIFYING ALGEBRAIC EXPRESSIONS: LIKE TERMS AND SYMBOLS OF GROUPING PA-29 Combining Like Terms: Integer Coefficients Simplify: PA-30 Combining Like Terms: Fractional Coefficients Simplify: PA-31 Combining Like Terms: Decimal Coefficients Simplify: PA-32 Applying the Distributive Property of Multiplication Over Addition Remove the parentheses: PA-33 Removing Parentheses and Combining Like Terms Simplify: SOLVING SIMPLE LINEAR EQUATIONS PA-34 Verifying Solutions Verify if is a solution of . PA-35 Solving One-Step Linear Equations Solve: Solve: PA-36 Solving Two-Step Linear Equations Solve: Solve: PA-37 Solving Linear Equations ax+b=cx+d Solve: PA-38 Solving Equations Involving Like Terms Solve: PA-39 Solving Equations Involving Symbols of Grouping Solve:  PA-40 Completely Isolating the Variable Solve: PA-41 Recognizing Identities and Contradictions Solve: Solve: SIMPLE RATIONAL EXPRESSIONS PA-42 Simplifying Rational Expressions Simplify: PA-43 Multiplying Rational Expressions Multiply: PA-44 Dividing Rational Expressions Divide: PA-45 Adding/Subtracting Rational Expressions with the Same Denominator Simplify: PA-46 Adding/Subtracting Rational Expressions with Different Denominators Simplify: ENGLISH TO ALGEBRA PA-47 Translating English Phrases to Algebraic Expressions Translate: The sum of the square of a number and 7 PA-48 Translating and Simplifying the Resulting Algebraic Expression Translate and then simplify: Twice the sum of a number and 2, added to the difference of three times the number and 5 PA-49 Translating English Sentences to Equations Translate: Four times number increased by three times the number is equal to 14. PA-50 Translating and Solving the Resulting Equation Translate and then solve: A number subtracted from five times the number is the same as the number added to 15. MORE PROPORTION APPLICATIONS PA-51 Solving Proportion Problems Involving Similar Figures  5                                              30                3                                                                                 x PA-52 Solving Proportion Problems Involving Similar Figures with Different Orientations 12            4                    3                  y PA-53 Solving Proportion Word Problems Involving Similar Figures A rectangle is 10 inches long and 7 inches wide.  What should be the width if the length is changed to 15 inches if the resulting rectangle is to have the same shape as the original rectangle? MORE PERCENT APPLICATIONS PA-54 Review of Percents See Math 105.