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Solving One Step Equations Guided Notes - Steilacoom

CW/HW Name: _____. Pre-Algebra Date: _____Period: _____. Solving One step Equations Guided Notes I. Equations A. Vocabulary An _equation___ is a mathematical sentence with an __equal___ sign. The following are all considered to be Equations : Ex) 9 + 2 = 11. Ex) x + 7 = 37. Ex) a + (-3) = 2a + 5. A _solution___ of an equation is a value for a __variable__ that makes an equation __true___. You substitute a number for a variable to determine whether the number is a __solution__ of the equation. Examples Directions: Is the given number a solution for the equation? Please show how you arrived at your answer. Ex) 170 + x = 200, for x=30 Ex) 3 = 12 a, for a=6. 170 + 30 = 200 True 3 = 12 6 Not True YES NO. Ex) 9 m = 3, for m=6 Ex) 8 + t = 2t, for t=3. II. Solving One- step Equations A. Important Rules for Solving Equations Rule #1) When you solve an equation, your goal is to get the __variable__ alone by itself on _one_.

Solving One Step Equations – Guided Notes I. Equations A. Vocabulary An _equation___ is a mathematical sentence with an __equal___ sign. The following are all considered to be equations: Ex) 9 + 2 = 11 Ex) x + 7 = 37 Ex) a + (-3) = 2a + 5 A _solution___ of an equation is a value for a __variable__ that makes an equation __true___.

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