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Algebra 1 2-1 Complete Lesson: Solving One-Step Equations

By Matt Richardson
Last updated almost 3 years ago
34 Questions
Note from the author:
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.

Solve It! The diagram shows the amount of money that each player starts with in a video game. To be fair, each player should have the same amount of money. What amount must be in the chest? Enter only a number.

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Vocabulary: In your own words, what does it mean to isolate a variable?

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Vocabulary: In your own words, what is an inverse operation?

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Problem 1 Got It? What is the solution of the equation? Check your answer.

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Problem 2 Got It?

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Problem 2 Got It?

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Problem 3 Got It?

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Problem 3 Got It?

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Problem 4 Got It?

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Problem 4 Got It?

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Problem 5 Got It? What is the solution of the equation? Check your answer.
Enter only a number.

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Problem 6 Got It?

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Vocabulary: Which property of equality would you use to solve the equation?

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Vocabulary: Which property of equality would you use to solve the equation?

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Vocabulary: Which property of equality would you use to solve the equation?

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Vocabulary: Which property of equality would you use to solve the equation?

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Reasoning:
1. Write a one-step equation.
2. Then write two equations that are equivalent to your equation.
3. How can you prove that all three equations are equivalent?
Be sure to respond to all parts of this item in your response.

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Review Lesson 1-9: If the pattern shown in the table continues, what amount will have been raised by Week 5?
Enter only a number.

Review Lesson 1-4: Simplify the expression.
Enter only an expression in simplest form.

Review Lesson 1-4: Simplify the expression.
Enter only an expression in the form: x - 5, with spaces on both sides of the operation sign.

Review Lesson 1-2: Simplify the expression.
Enter only an expression in simplest form. For this item, that expression will be a number.

Review Lesson 1-2: Simplify the expression.
Enter only an expression in simplest form.

Vocabulary Review: Drag and drop from the left to identify the numbers described on the right.

  • 3
  • 1/3
  • 2
  • 1/2
  • -1/2
  • -1/3
  • The multiplicative inverse of 1/2
  • The additive inverse of 1/2
  • The multiplicative inverse of -3
  • The additive inverse of -3

Use Your Vocabulary: Drag and drop the correct form of the word isolate from the left to complete each sentence on the right.

  • isolate
  • isolation
  • isolated
  • A very ill patient was placed in __?__, away from the other patients.
  • In order to __?__ a variable, you may need to perform mathematical operations.
  • A person living on a small island felt __?__ from the rest of the world.

Use Your Vocabulary: Identify the equation(s) that show the variable isolated. Select all that apply.

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.

Reflection: Math Success

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