West Virginia Standards
WV.M.S.6.4. Measurement: Through communication, representation, reasoning and proof, problem solving, and making connections within and beyond the field of mathematics, students will demonstrate understanding of measurable attributes of objects and the units, systems, and processes of measurement, and apply appropriate techniques, tools and formulas to determine measurements.
M.O.6.4.1. Students will determine an approximation for pi using actual measurements.
M.O.6.4.2. Students will develop and test hypotheses to determine formulas for
M.O.6.4.2.e. Circumference of a circle
M.O.6.4.2.f. Area of a circle