Solving one step equations (workshop 1)
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This document provides an overview of solving one-step equations through addition, subtraction, multiplication, and division. It explains that the goal is to isolate the variable by using the inverse operation. For addition, subtract the number from both sides. For subtraction, add the number to both sides. For multiplication, divide both sides by the number. And for division, multiply both sides by the number. It concludes by instructing the reader to practice these concepts by working through examples with a partner.
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Solving one step equations (workshop 1)
- 1. Solving One-Step Equations Addition & Subtraction Multiplication & Division
- 2. Recall: A variable is an unknown value usually represented by a letter. Example 1: 5 + x = 24 Addition Example 2: y - 18 = 47 Subtraction Example 3: 9a = 72 Multiplication Example 4: b ÷ 3 = 18 Division
- 3. The Goal is to Isolate the Variable Use the Inverse operation to get the variable by itself. “opposite” Inverses Inverses
- 4. Addition Subtract number to both sides of the equal sign. -5 -5 x = 19 5 + x = 24 Check: 5 + 19 = 24 24 = 24
- 5. Subtraction Add number to both sides of the equal sign. +18 +18 y = 65 y - 18 = 47 Check: 65 + 18 = 47 47 = 47
- 6. Multiplication Divide number from both sides of the equal sign. ÷9 ÷ 9 a = 8 9a = 72 Check: 9 × 8 = 72 72 = 72
- 7. Division Multiply number to both sides of the equal sign. ×3 ×3 b = 54 b ÷ 3 = 18 Check: 54 ÷ 3 = 18 18 = 18
- 8. Let’s Practice! Please Work with a Partner on Page 6 of your Packets.