Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your M

Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen

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Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen

Best PDF Ebook Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen

EDITIONS: Originally designed as a paperback workbook, it is now also available as an e-book. The e-book edition is designed to work with pinch-and-zoom (which allows scrolling while zoomed in), and requires having paper and a pencil handy. The paperback edition includes space in which to write the solutions. With the e-book, use device navigation to access the table of contents and switch between chapters (this is convenient for checking answers).2015 UPDATE: The new edition includes these updates:

• The updated edition numbers the questions and answers. This helps to easily find the correct answers in the back of the book.
• 100% of the answers to the updated edition have been independently verified both by computer and by an international math whiz.

AUTHOR: Chris McMullen earned his Ph.D. in physics from Oklahoma State University and currently teaches physics at Northwestern State University of Louisiana. He developed the Improve Your Math Fluency series of workbooks to help students become more fluent in basic math skills.CONTENTS: This Algebra Essentials Practice Workbook with Answers provides ample practice for developing fluency in very fundamental algebra skills - in particular, how to solve standard equations for one or more unknowns. These algebra 1 practice exercises are relevant for students of all levels - from grade 7 thru college algebra. This workbook is conveniently divided up into seven chapters so that students can focus on one algebraic method at a time. Skills include solving linear equations with a single unknown (with a separate chapter dedicated toward fractional coefficients), factoring quadratic equations, using the quadratic formula, cross multiplying, and solving systems of linear equations. Not intended to serve as a comprehensive review of algebra, this workbook is instead geared toward the most essential algebra skills. An introduction describes how parents and teachers can help students make the most of this workbook. Students are encouraged to time and score each page. In this way, they can try to have fun improving on their records, which can help lend them confidence in their math skills.PRACTICE: With no pictures, this workbook is geared strictly toward learning the material and developing fluency through practice.EXAMPLES: Each section begins with a few pages of instructions for how to solve the equations followed by a few examples. These examples should serve as a useful guide until students are able to solve the problems independently.ANSWERS: Answers to 100% of the exercises are tabulated at the back of the book. This helps students develop confidence and ensures that students practice correct techniques, rather than practice making mistakes. All answers from the updated edition have been verified both by computer and independently by an international math whiz.PHOTOCOPIES: The copyright notice permits parents/teachers who purchase one copy or borrow one copy from a library to make photocopies for their own children/students only. This is very convenient if you have multiple children/students or if a child/student needs additional practice.NOTE: The answer key uses standard form. Fractions are expressed as reduced fractions and perfect squares are factored out of squareroots. For example, if you receive an answer of 1 over root 8, the answer key will instead show root 2 over 4; both answers are the same, but the answer key uses standard form.

Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen

• Amazon Sales Rank: #27049 in eBooks
• Published on: 2015-09-11
• Released on: 2015-09-11
• Format: Kindle eBook

Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen

From the Author Question: Are pages 51-55 missing answers?Answer: No, they are not. Pages 51-55 are the introduction of Chapter 3, which includes instructions and examples. There are no exercises on those pages.Question: Should the answer to page 56, problem 9 be squareroot(7/5)?Answer: Actually, that's the same as the answer listed if you rationalize the denominator.Question: Could you please check the answer to page 32, exercise 5?Answer: Even better, I will work out the solution for you so that you can follow along.

• -x/5 - 3x/2 = -x/5 + 5/3
• Add x/5 to both sides to separate the variable terms (with x) from the constant term (5/3).
• -3x/2 = 5/3
• Multiply bothsides by 2.
• -3x = 10/3
• Divide both sides by -3
• x = -10/9
• The answer listed in the back of the book is -10/9. You can also verify this answer with an online algebra solver, such as Mathematica offers.

Question: Can you show me how to solve exercise 10 on page 39?Answer: The section with fractions seems to draw many questions. All the more reason students need to practice this.

• 1 - 5x/2 = 3 - 2x
• Add 5x/2 to both sides to get 1 = 3 - 2x + 5x/2
• Write 2x as 4x/2 so that you can combine the variable terms with a commondenominator: 1 = 3 - 4x/2 + 5x/2
• This simplifies to 1 = 3 + x/2.
• Isolate theunknown term by subtracting 3 from both sides: -2 = x/2.
• Multiply both sidesby 2 to get -4 = x.

TIPS ON CHECKING YOUR ANSWERS: There can be multiple ways of expressing the same answer. Here are a few examples:

• Student's answer = 12/8. Listed answer = 3/2. Both are the same. It's standard form to reduce fractions when possible, so the book lists 3/2 as the answer. The student's answer of 12/8 is not technically incorrect.
• Student's answer = 1/sqrt(2). Listed answer = sqrt(2)/2. Both are the same. It's standard form to rationalize the denominator, so the book lists sqrt(2)/2 as the answer. Multiply both numerator and denominator by squareroot(2) to go from 1/sqrt(2) to sqrt(2)/2.
• Student's answer = sqrt(12). Listed answer = 2sqrt(3). Both are the same. It's standard form to factor out perfect squares, so the book lists 2sqrt(3) as the answer. Squareroot(12) = squareroot(3 x 4) = squareroot(3) x squareroot(4) = 2 x squareroot(3).

Students who don't reduce their fractions, factor out perfect squares, or rationalize their denominators may feel that the book's answer is incorrect, but that's not the case. Even some popular online equation solvers fail to rationalize the denominator, so a student who obtains 1/sqrt(2) as the answer and gets the same answer with an online equation solver might wonder if the book's answer of sqrt(2)/2 is incorrect. However, the book's answer is correct, and is also in standard form.There is a simple way to check your answers. Enter both expressions in your calculator and display the answer as a decimal. This way, you can see that both 1/sqrt(2) and sqrt(2)/2 equal 0.70710678... If you reduce your fractions, factor out perfect squares, and rationalize your denominators, this won't be an issue.

About the Author Chris McMullen is a physics instructor at Northwestern State University of Louisiana. He earned his Ph.D. in phenomenological high-energy physics (particle physics) from Oklahoma State University in 2002. Originally from California, he earned his Master's degree from California State University, Northridge, where his thesis was in the field of electron spin resonance. As a physics teacher, Dr. McMullen observed that many students lack fluency in fundamental math skills. In an effort to help students of all ages and levels master basic math skills, he has published this Improve Your Math Fluency Series of math workbooks on arithmetic, fractions, algebra, and trigonometry.

Where to Download Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen

Most helpful customer reviews

18 of 18 people found the following review helpful. Great for practice and mastery. By Julie Patrick All of the problems have answers in the back of the book. This is essential. The explanations and examples are ideal for mastering Algebra. It is not something that you can just "pick up". It has to be practiced. This book is a great help.

19 of 20 people found the following review helpful. just what i needed. By Daniel Was into advanced math in early college and high school but got out of it further in degree. I'm going back to school now and this book helped me prepare for an intermediate algebra course. It's foundation learning in which each section builds upon previous sections. Instructions are also very clear.Plan on many hours of work.Also to note, the author allows use of problems for students, such as if one were a math teacher needing extra equations for assignments.

27 of 30 people found the following review helpful. Algebra workbook By Duane Drake This is used as part of a homeschooling algebra course for our ninth grader. The algebra problems have been great. The only drawback is that the problems aren't numbered on the pages or on the answer key & so it's a little bit if a challenge trying to decipher what each answer is.

See all 57 customer reviews... Algebra Essentials Practice Workbook with Answers: Linear & Quadratic Equations, Cross Multiplying, and Systems of Equations (Improve Your Math Fluency Series)By Chris McMullen