U Can: Algebra I For Dummies

U Can: Algebra I For Dummies
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Bring Common Core Math into high school with smart, engaging activities Teaching Common Core Math Standards with Hands-On Activities, Grades 9-12 provides high school teachers with the kind of help they need to begin teaching the standards right away. This invaluable guide pairs each standard with one or more classroom-ready activities and suggestions for variations and extensions. Covering a range of abilities and learning styles, these activities bring the Common Core Math Standards to life as students gain fluency in math communication and develop the skillset they need to tackle successively more complex math courses in the coming years. Make math anxiety a thing of the past as you show your students how they use math every day of their lives, and give them the cognitive tools to approach any math problem with competence and confidence. The Common Core Standards define the knowledge and skills students need to graduate high school fully prepared for college and careers. Meeting these standards positions American students more competitively in the global economy, and sets them on a track to achieve their dreams. This book shows you how to teach the math standards effectively, and facilitate a deeper understanding of math concepts and calculations. Help students apply their understanding of math concepts Teach essential abstract and critical thinking skills Demonstrate various problem-solving strategies Lay a foundation for success in higher mathematics The rapid adoption of the Common Core Standards across the nation has left teachers scrambling for aligned lessons and activities. If you want to bring new ideas into the classroom today, look no further. Teaching Common Core Math Standards with Hands-On Activities is the high school math teacher's solution for smart, engaging Common Core math.

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Sterling Mary Jane. U Can: Algebra I For Dummies

Introduction

Part I

Chapter 1. Assembling Your Tools

Chapter 2. Deciphering Signs in Expressions

Chapter 3. Incorporating Algebraic Properties

Chapter 4. Making Fractions and Decimals Behave

Chapter 5. Exploring Exponents

Chapter 6. Taming Rampaging Radicals

Chapter 7. Simplifying Algebraic Expressions

Part II

Chapter 8. Working with Numbers in Their Prime

Chapter 9. Specializing in Multiplication Matters

Chapter 10. Dividing the Long Way to Simplify Algebraic Expressions

Chapter 11. Figuring on Factoring

Chapter 12. Taking the Bite out of Binomial Factoring

Chapter 13. Factoring Trinomials and Special Polynomials

Part III

Chapter 14. Establishing Ground Rules for Solving Equations

Chapter 15. Lining Up Linear Equations

Chapter 16. Muscling Up to Quadratic Equations

Chapter 17. Yielding to Higher Powers

Chapter 18. Reeling in Radical and Absolute Value Equations

Chapter 19. Getting Even with Inequalities

Part IV

Chapter 20. Facing Up to Formulas

Chapter 21. Making Formulas Work in Basic Story Problems

Chapter 22. Relating Values in Story Problems

Chapter 23. Measuring Up with Quality and Quantity Story Problems

Chapter 24. Getting a Handle on Graphing

Chapter 25. Extending the Graphing Horizon

Part V

Chapter 26. Ten Common Errors That Get Noticed

Chapter 27. Ten Quick Tips to Make Algebra a Breeze

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One of the most commonly asked questions in an algebra classroom is, “What will I ever use this for?” Some teachers can give a good, convincing answer. Others hem and haw and stare at the floor. My favorite answer is, “Algebra gives you power.” Algebra gives you the power to move on to bigger and better things in mathematics. Algebra gives you the power of knowing that you know something that your neighbor doesn’t know. Algebra gives you the power to be able to help someone else with an algebra task or to explain to your child these logical mathematical processes.

Algebra is a system of symbols and rules that is universally understood, no matter what the spoken language. Algebra provides a clear, methodical process that can be followed from beginning to end. It’s an organizational tool that is most useful when followed with the appropriate rules. What power! Some people like algebra because it can be a form of puzzle solving. You solve a puzzle by finding the value of a variable. You may prefer Sudoku or Ken Ken or crosswords, but it wouldn’t hurt to give algebra a chance, too.

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Q. Write the expression using the correct symbols: The absolute value of the difference between x and 6 is multiplied by 7.

A. The difference between two values is the result of subtraction, so write x – 6. The absolute value of that difference is written . To multiply the absolute value by 7, just place the 7 in front of the absolute value bar – multiplication is assumed when no other operation is shown. So you have . The 7 can also be written behind the absolute value; it’s just that writing it in front is preferred.

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