Lesson 11. Unit 6. Grade 8 Open Up Resources
This Instructional Activity is a part of the Lesson 11, Unit 6, Grade 8. In this activity, you'll get two chances to guess at how long 30 seconds is, then look for an association between the two guesses of all students. Work with a partner. Follow the instructions listed here to gather your data. One of you will hold a stopwatch where the other person cannot see it.