Circumference of circles set of differentiated treasure hunts (10 cards for each difficulty)

Circumference of circles treasure hunts. 3 different difficulties for circumference of circles included with these treasure hunts. Skills included are: finding the circumference when given the radius or diameter, finding the diameter or radius when given the circumference and finding the arc length and perimeter of sectors.

Updated - Changed some of the gold answers so they show the radius rather than the diameter of the circle.

Answers and pupil record cards included.

Please see herefor a free version of the blue treasure hunt.

The 3 levels of difficulty are:
• Blue (easy) -Find the circumference of a circle
•Gold (medium) - Find the diameter or radius when given the circumference
•Red (harder) - Find the arc length and perimeter of sectors

My other resources for circumference of a circle:
Differentiated worksheet on Circumference of circles
Circumference and parts of a circle whole lesson (download, print and teach)