Possible or Impossible?

Value of Expressions

Work Time

Value of Expressions

  • Do the two expressions below have the same value? Explain your thinking.
    −|−3| and −(−3)
  • Is the following statement sometimes true, always true, or never true? Give an example to support your answer.

The opposite of a number is equal to the opposite
of the absolute value of the number.

  • Sort the cards to show whether the statements on the cards are possible or impossible. Provide an explanation.

INTERACTIVE: Card Sort: Opposite and Absolute Values

  • For the first question, do each step—start inside the absolute value symbols or inside the parentheses.
  • For the second question, test different numbers. Try positive and negative numbers and 0.
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