Lesson 3

Rolling Along with Links

Est. Class Sessions: 3–4

Daily Practice and Problems

Teacher Notes
X

Prepare chains of connecting links to represent the measurements in each question. Use these chains to discuss and demonstrate each set of comparisons.

  1. 32 links. It is the middle distance.
  2. 19 links

N. Three Trials

  1. Carlos rolled his car down the ramp three times. The first time it rolled 35 links. The second time it rolled 31 links. The third time it rolled 32 links. What is a good measurement for Carlos to record in his data table for the distance his car rolled? Why?
  2. Sheila's car rolled the following distances in three trials: 17 links, 19 links, and 19 links. What distance should she record in her data table?