01113nam a22001937a 4500 20240116133707.0 240116b ||||| |||| 00| 0 eng d 0025-5769 Gilbertson, Nicholas J. Broken Ceiling Lights : Circular Area Without the Radius (Journal Article) Reston, Virginia : National Council of Teachers of Mathematics , 2023 874–878p. Mathematics Teacher: Learning Teaching PK12 , Volume 116: Issue 11, November 2023 ***______{For Hard Copy, Please visit Library.}________*** Abstract: A customer walks in to a lighting store with a broken ceiling light, and the solution to finding a replacement glass illuminates an alternative approach to finding the circumference and area of a circle without knowing the circle’s center, radius, or diameter. Reasoning/Sense Making/Proof| Mathematical Practices| Attend to precision| Professional Development / Teacher Training| Math Content Courses https://doi.org/10.5951/MTLT.2023.0120 PER 0 0 0 0 RIEBPL RIEBPL 2024-01-16 0 2024-01-16 00:00:00 2024-01-16 PER 45245 45244