Worksheet to find the arc length of semicircles and quadrants, Q4 is perimeter. 2 pages, answer key on second page.

Worksheet for finding the radius and diameter from the circumference, 2 pages, answer key on second sheet.

KS3 crossnumber, aimed at a lower ability group. Includes a mix of direct substitution and worded problems in the hints. PDF has two pages, printable page and answer key.