Terrapin Resources

Turtle Tuesdays Challenges for September 2025


Fun with Circles!

There are so many things you can do with circles. We’ll explore some of them this month.

If you aren’t familiar with some of these commands, look them up in the Logo Learning Center.


Challenge No. 140 - September 2, 2025

for Logo users

Can you use multiple turtles and REPEAT to draw this design?

Use CTURTLES to put the turtles in a circle.

Use STAMP to place the turtle’s image where it is.


Challenge No. 141 - September 9, 2025

for Logo, Pro-Bot, and InO-Bot users

How does a circle become a circle?

Start by drawing a triangle, then a square, then a pentagon, then a hexagon, etc.

How many “sides” does a shape need to have before it starts to look like a circle?

How does the length of each FORWARD command need to change?


Challenge No. 142 - September 16, 2025

for Logo users; Kinderlogo and Pro-Bot users can do varations on this design.

Can you make these circles?

You can create your circles using REPEAT or use the STAMPOVAL command.

See if you can do both!


Challenge No. 143 - September 23, 2025

for Logo users; Kinderlogo and Pro-Bot users can do varations on these designs, with fewer circles.

Can you make these rings of circles?

The rings and circles are all the same size. The difference is in how they are placed on the rim.


Challenge No. 144 - September 30, 2025

for Logo users

Can you create this design, or one that is similar?

Try using the STAMPOVAL command.

Add color, if you like.