Algebra 1 1-5 Guided Practice: Adding and Subtracting Real Numbers

Solve It! How much money must you add to make the card worth $25?

Enter your response in this format: $37

Solve It! Explain your reasoning.

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.

Problem 1 Got It?

Show your work on the canvas.

Take Note: Define absolute value.

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.

Take Note: Describe the process of adding numbers with the same sign.

Take Note: Describe the process of adding numbers with the different signs.

Problem 2 Got It?

Problem 2 Got It?

Problem 2 Got It?

Problem 2 Got It?

Take Note: Define opposites as they pertain to this lesson.

Graph an example pair of opposites on the canvas.

Take Note: Define additive inverses.

Take Note: Provide an example pair of additive inverses.

Problem 3 Got It?

Problem 3 Got It?

Problem 4 Got It?

Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?