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To introduce recursion, try reading The Cat in the Hat Comes Back, or “Martin and the Dragon,” to make the topic more engaging.

Share To introduce recursion, try reading The Cat in the Hat Comes Back, or “Martin and the Dragon,” to make the topic more engaging. with FacebookShare To introduce recursion, try reading The Cat in the Hat Comes Back, or “Martin and the Dragon,” to make the topic more engaging. with Twitter
  • Such resources can help explain the idea that recursion is "one step and a smaller journey."
  • Extra Info from the CS Teaching Tips Team: check out AP Central’s Resource Page for more information on this tip.

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  • AP A
  • Meaningful and Relevant Content
  • Programming Concepts
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Tips from Frances P. Trees' section “Sample Syllabus.” in Deborah Power Carter’s The College Board’s AP Computer Science Teacher’s Guide.

Other Tips By
Other Tips By College Board's AP Computer Science Teacher’s Guide

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Have students use lollipop sticks or toothpicks to represent each statement call in an N-ary recursive algorithm.
Explain that using objects/classes helps students keep their programs organized to motivate the use of object oriented programming, some students need extra help understanding its importance.
Compare loops to climbing a flight of stairs to give students a model for how for loops work in real life.
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