Lower and Upper Bounds

Teach young mathematicians to keep an eye on boundaries! Young scholars use a video lesson to explore the possible values of numbers rounded to varying place values. The instructor provides an explanation to several contextual problems where values have been rounded.

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CCSS: Adaptable
Instructional Ideas

  • Use a number line to add a visual representation to the concept
  • Extend the lesson to include the use of interval notation
Classroom Considerations

  • Requires a solid understanding of rounding

  • Practice problems offer questions with varying levels of difficulty
  • Highlights the difference between inequalities with and without the equal sign

  • None