Perimeter and Circumference
Learn and practice finding perimeter of figures & circumference of circles with interactive resources from GeoGebra.
Upper Elementary
GRADES 4-5
Formula for Perimeter
Use models to develop the relationship between the total distance around a figure and the formula for perimeter; find perimeter using the formula in number and word problems.
Perimeter
Determine perimeter using concrete models, nonstandard units, and standard units in number and word problems.
Middle School
GRADES 6-8
Pi as a Relationship between Diameter and Circumference
Investigate and determine the relationship between the diameter and the circumference of a circle and the value of pi; calculate the circumference of a circle.
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