Investigate with your classes the meaning of absolute value. Here, the instructor explains the definition of absolute value and uses the definition to evaluate different expressions. The expressions include simplifying within the absolute value brackets before evaluating.

Concepts

absolute value, positive integers, negative integers, integers

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Additional Tags

math

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Instructional Ideas

• Use a number line with each problem to reinforce the definition of absolute value
• After showing the video, use board work as an informal assessment

Classroom Considerations

• Requires previous experience with integer operations

• This video is hosted on YouTube

Pros

• Uses color to separate each example
• Reinforces the definition of absolute value with each example

Cons

• None

Common Core

6.NS.C.7.a