Skip to main content
CS Teaching Tips

Main navigation

  • Browse All Tips
  • Tags
  • 3D
  • About
  • Rate Tips
  • Tip Sheets

Suggest that students use the “when green flag clicked” block when creating clones in Scratch to avoid exponential cloning.

Share Suggest that students use the “when green flag clicked” block when creating clones in Scratch to avoid exponential cloning. with FacebookShare Suggest that students use the “when green flag clicked” block when creating clones in Scratch to avoid exponential cloning. with Twitter
  • If students create clones with another block, like "when spacebar pressed", these clones will also create clones when the spacebar is pressed, so the total number of clones increases by a factor of 2 every time the spacebar is pressed. This is generally unwanted behavior.

More about this tip

Tags

  • Content Misconceptions
  • Scratch
  • Intro Programming
External Source

Learn to Program with Scratch by Majed Marji

Other Tips By
Other Tips By Majed Marji

Similar tips

Misconception: If you consistently use the same variable names during class in lectures and examples, students may incorrectly assume objects in Java can only have those names.
Trace through example code in class to show and encourage students to debug effectively
Teach students the Total Turn Theorem to help them reason about drawing regular, closed polygons in Scratch.
  • CSTT Facebook
  • CSTT Twitter

For more information or to report a bug, contact us at admin@csteachingtips.org. Built with Bootstrap. Footer Icons by Mohammed Alyousfi. Powered by Drupal.

Privacy Policy

  • National Science Foundation
  • Sage Fox Group
  • Harvey Mudd College