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Lesson Plan

14. Solve problems using absolute value (A)

teaches Common Core State Standards CCSS.Math.Content.6.NS.C.7c http://corestandards.org/Math/Content/6/NS/C/7/c
teaches Common Core State Standards CCSS.Math.Content.6.NS.C.7d http://corestandards.org/Math/Content/6/NS/C/7/d
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
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Lesson objective: Apply the concepts of absolute value and opposite numbers.

This lesson provides an opportunity for students to apply their knowledge and understanding of absolute value and opposite numbers to a mathematical situation. Students are asked to determine the order of extreme temperatures and their associated regions around the world.

Key Concept students will use: 

  • Because the number line can show both distance and direction, we can locate the opposite of any rational number on the number line. The absolute values of the rational number and its opposite are equivalent.

Skills students will use:

  • locating opposite numbers on a number line
  • comparing absolute value of rational numbers
  • ordering rational numbers

Students engage in Mathematical Practice 2 (Reason abstractly and quantitatively) as they analyze the clue cards to determine which region is associated with which temperature. They must employ their knowledge of opposite numbers, nearly opposite numbers, and absolute value in order to correctly associate the regions with their temperatures.

Key vocabulary: 

  • absolute value
  • nearly opposite
  • number line
  • opposite numbers
  • order
  • rational numbers

Special materials needed:

  • printable clue cards
  • printable task work page
Related content

Appears in

Extending the number system

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