Oklahoma Ag in the Classroom

March Page

March 14 is Pi Day

The Greek letter pi, is the symbol for the ratio of the circumference of a circle to its diameter. Pi = 3.1415926535... Pi Day is celebrated by math enthusiasts around the world on March 14th.

Celebrate by making pizza, pot pie, veggie and/or fruit pie. Use the pies in the following math activities:

  • Measure by circumference.
  • Measure by area.
  • Determine approximate volume.

Pie Recipes:

Hat sizes are determined using pi.

  • Students use measuring tape to measure the circumference of their heads. (Think of where a hat sits on the head).
  • Divide the circumference by pi to get the hat size.

Measuremania

Circles in the Landscape

Common Core for Above Activities

  • Grade 5 - Math Content: 5.MD.3,4,5
  • Grade 6 - Math Process: MP.3,5; Math Content: 6.G.1,2,3,4
  • Grade 7 - Math Process: MP.3,5; Math Content: 7.G.3,4,5,6,7

March Page

Oklahoma Ag in the Classroom

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Oklahoma Ag in the Classroom is a program of the Oklahoma Cooperative Extension Service, the Oklahoma Department of Agriculture, Food and Forestry and the Oklahoma State Department of Education.