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Laabri

Algebra 2 1-4 Complete Lesson: Solving Equations

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Last updated over 4 years ago
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A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

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Solve It! You bought a mobile kit. You read on the package that the weight of the entire mobile is 40 oz. Each inch of the crossbar weighs 1 oz.

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Solve It! What is the weight of the orange shape? Enter your response in this format: 3 oz

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Solve It! What is the weight of each green shape? Enter your response in this format: 3 oz

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Problem 1 Got It?

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Problem 2 Got It?

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Problem 3 Got It? Suppose the flower carpet shown had a perimeter of 320 m. What would the dimensions of the flower carpet be?

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Problem 4 Got It?

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Problem 4 Got It?

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Problem 5 Got It?

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Vocabulary: Explain what it means to find a solution of an equation.

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Reasoning: Suppose you solve an equation and find that your school needs 4.3 buses for a class trip. Explain how to interpret this solution.

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Error Analysis: Find the error(s) in the steps shown.

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Review Lesson 1-3: Match each expression with its value when x = -4 and y = 3.

  • x - 2y + 3

  • x + x ÷ y

  • x + 2y ÷ x

  • -20

  • -7

  • -11/2

  • -16/3

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Review Lesson 1-2: Classify each inequality as true or false.

  • 5 < 12

  • 5 < -12

  • 5 ≥ 5

  • True

  • False

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Vocabulary Review: Tag the equations in the right column with the equation tag on the left. Leave non-equations untagged.

  • equation

  • 2(3x + 7) = 10

  • 3x + 14

  • 3x + 2y = 6

  • 4x + (y + 5)

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Use Your Vocabulary: Match each operation symbol with its inverse operation symbol.

  • +

  • -

  • ×

  • ÷

  • +

  • -

  • ×

  • ÷

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Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.

For a refresher on the Cornell note-taking system, click here.

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Reflection: Math Success

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Solve It! What is the weight of the yellow shape?