Assessment

Sidewalk Stones

Curated and Reviewed by Lesson Planet

One block, two blocks, white blocks, gray blocks. In the high school assessment task, learners investigate patterns of sidewalk stones to develop a quadratic expression for each colored block. Young mathematicians then use the expression to solve problems.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use the resource as a class activity
Classroom Considerations
  • The task is the "expert" version of the Sidewalk Patterns task
  • Learners need to know how to write and manipulate quadratic expressions and to factor trinomials
Pros
  • The easily understood context helps pupils make the connection to quadratic expressions
  • Resource includes rubric, making it easier to score
Cons
  • Includes spelling errors