Performance Task: Reasoning with Rational Numbers

When given variables on a number line, can young mathematicians use reasoning to determine where the sum or difference of those variables would be? Given as a performance task, learners think about where the answer would lie when different operations, involving the two variables, are performed. 

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CCSS: Designed
Instructional Ideas

  • Give as a warm-up problem, or as a thought-provoking way to end a lesson
Pros

  • Answer key included with the reasoning behind the answers given
Cons

  • None
Common Core