Algebra 1 1-5 Guided Practice: Adding and Subtracting Real Numbers
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by Matthew Richardson
| 21 Questions
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Solve It! How much money must you add to make the card worth $25?

Enter your response in this format: $37
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Solve It! Explain your reasoning.
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Take Note: Describe the process of adding and subtracting real numbers using a number line.
You should use each of the following words in your response: positive, negative, right, left, add, subtract.

You may use the number line on the canvas to help illustrate the process you describe.
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Problem 1 Got It?
Show your work on the canvas.
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Take Note: Define absolute value.
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Take Note: Write the algebraic expression that is equivalent to the verbal expression below.

the absolute value of x

A vertical bar key for absolute value symbols can be found on most keyboards above the Enter or Return key.
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Take Note: Describe the process of adding numbers with the same sign.
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Take Note: Describe the process of adding numbers with the different signs.
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Problem 2 Got It?
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Problem 2 Got It?
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Problem 2 Got It?
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Take Note: Define opposites as they pertain to this lesson.

Graph an example pair of opposites on the canvas.
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Take Note: Define additive inverses.
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Take Note: Provide an example pair of additive inverses.
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Take Note: Restate the Inverse Property of Addition.
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Take Note: To subtract a real number, add its opposite.
1. What does this mean?
2. Provide an example that demonstrates how this works.
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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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Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?
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