This is an investigation into p .The first sheet guides a group through discovering the relationship between diameter and circumference, then applies their result to predict the circumference of other circles. The second sheet introduces, applies and compares the 2 and 7 dec place value of p to calculate circmference. The third sheet introduces using p to calculate the area of circles.
Circles
This file has two active worksheets which investigate a relationship and applies it to make predictions.
One relates size of spans to cubits, creates a mean ratio and uses it to predict cubit measures from span measures. The other file does the same using length of foot and height.