Many math teachers are very excited about this Wednesday...
It will be “Pi” Day!
Pi (π) is a very important number in the math world, especially in the area of geometry. Let's celebrate this special day with some fun activities!
Activity Ideas:
- Read Sir Cumference and the Dragon of Pi
- Help Radius investigate and find the magic number to break the spell!
- Make a pie of your choice
- During the process of putting the pie together...review fractions, measuring, accuracy, and step-by-step instruction.
- Once the pie is completed... Find the circumference of the pie, then find the diameter of the pie. Divide the first measure by the second. (answer should be close to 3.14)
- Do an investigative circle activity
- Find five round objects
- Measure the circumference (distance around outer edge of circle) and diameter (distance across middle of circle) of each object.
A piece of string, yarn, or shoelace work
well when measuring round objects.
Use a ruler or meter stick to measure the string.
Use the ruler or meter stick to measure the diameter
(measure across middle of circle).
- Record the data for each object in a table similar to this one.
- For each object, divide the circumference by the diameter and record the number in the table.
- Are there any patterns/similarity? (all divisions should equal about 3.14)
BIG idea about Pi (π) ...
For any circle, the measure around the edge is just over three times the measure across its middle!
"Pi" Resources:
Great ideas, Amy! You're so great at finding creative ideas to make math engaging!
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