Unit 7, Lesson 14# The Decimal Expansion of Pi

EngageNY 45 min(s)

Students calculate the first few places of the decimal expansion of Pi using basic properties of area. Students estimate the value of numbers such as Pi^2. Lead students through the activity that produces the decimal expansion of Pi. Quarter circles on grids of 10 by 10 and 20 by 20 are included at the end of the lesson if the teacher prefers to hand out the grids as opposed to students making their own with grid paper and a compass.