In this lesson by Katina Gothard and Megan Mocko, students will randomly sample beads out of a bin to simulate random samples of people’s fingerprints. Students will see that the sample proportion of fingerprints with arches (one of the three common fingerprint patterns) varies from sample to sample. The purpose is to guide students in the development of, and identify any … [Read more...] about Lesson Plan: Exploring Fundamental Definitions with a Study of Fingerprint Types in the US
random
Building Understanding of Randomness from Ideas About Variation and Expectation
By Jane Watson and Noleine Fitzallen, University of Tasmania This article is based on professional learning devised to help Australian middle-school teachers build an appreciation for randomness before content related to sampling and variables are introduced in later years. It is accompanied by a PowerPoint presentation teachers, teacher educators, and professional learning … [Read more...] about Building Understanding of Randomness from Ideas About Variation and Expectation