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## Solving One-Step Equations

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**Solving One-Step Equations**Lesson Plan By Derek Daniels and Tracy Meyer**Subject**• Primary Subject – Math • Secondary Subject – Algebra • Grade Level – 9th grade • Using basic algebra equations in everyday situations**Lesson Objectives & Goals**• To learn the first steps in solving polynomial equations using 1 unknown variable. • Goal: all students will participate in activities and have practice completing problems before the end of the lesson.**Sunshine State Standard**MA.912.A.3.1 Solve linear equations in one variable that include simplifying algebraic expressions**List of Resources**• PowerPoint • Smartboard • Internet • YouTube • Games • Calculator • Document Reader • Hand Held Calculator**References**• Ijustwannajam (poster). (October 3, 2009). Why math is important [video]. Retrieved from http://www.youtube.com/watch?v=gDkd0Vaxf-c&feature=player_detailpage • Popovici, Doina (producer). (October 22, 2008). Hoop Shoot [game]. Retrieved from http://www.math-play.com/One-Step-Equation-Game.html • Larson, R., Boswell, L., Kinold, T.D., & Stiff, L. (2011). Algebra 2, 162-169.**Solving One-Step Equations**Algebra One Chapter 3 Lesson 1**Variables**• In algebraic expressions, letters represent variables. These letters are actually numbers in disguise. They can be any letter and represent an unknown.**Why Math is Important**http://www.youtube.com/watch?v=gDkd0Vaxf-c&feature=player_detailpage**X-5=3**X+5=8**Addition Property of Equality**X-a=b x-a+a=b+a x=b+a X-5=3 x-5+5=3+5 x=3+5**Subtraction Property of Equality**X+a=bx+a-a=b-ax=b-a X+5=8x+5-5=8-5x=8-5**Practice Problems**Solve each equation. Check your solution.**Game**http://www.math-play.com/One-Step-Equation-Game.html**HOMEWORK**Page 137 1-37 odd 54-61 all