Finding Pi Questions

Which of these ways can you use to find pi?

• Circumference divided by the diameter

• Circumference divided by the radius

• radius times pi

• Circumference times diamter

Which of these ways can you use to find pi?

• d x r

Which of these ways can you use to find pi?

• Caroline:

  C = 25.12

  d = 8

• Chip:

  C = 28.3

  d = 4

• Carley:

  c = 27.3

  d= 9

• Charlie:

  C = 34.56

  d= 12

The following students were trying to find Pi. They each measured a circular CD. Who was closest to Pi?

• Evan:

  C = 45.34

  d= 12

• Ellery:

  C = 14.13

  d= 4.5

• Emma:

  C= 12

  d= 4

• Erin:

  C= 18.56

  d = 6.2

• 9 feet

• 10 feet

• 11 feet

• 26 feet

The Perimeter of a square is 20 inches. What is the side length?

• 5 inches

• 4 inches

• 10 inches

• 3 inches

Match the following formula's to the correct shape.

• Perimeter

• Area of Circle

• Area of a Rectangle

• Area of Triangle

• Circumference

What is the area of a rectangle with a width of 2.3 feet and a width of 5.6 feet?

• 12.88 ft

• 16.22 ft

The track team ran around the track 5 times. Each lap is 400 meters. How many meters did they run?

• 200 meters

• 2000 meters

• 1600 meters

• 1200 meters