staircase

  • Turtle Challenge #25

    Turtle Challenge #25

    Here’s some Python turtle code. Before you run it, read it carefully. Can you guess what it will draw?

  • Turtle Challenge #26

    Turtle Challenge #26

    Beep is thinking hard about this code. What picture will the turtle make? Make a guess, then try it!

  • Turtle Challenge #19

    Turtle Challenge #19

    Grab a pencil. Sketch what you think this code will draw, then run it and compare.

  • Turtle Challenge #18

    Turtle Challenge #18

    Pixel bets you can’t guess what this draws. Prove Pixel wrong!

  • Turtle Challenge #16

    Turtle Challenge #16

    Beep is thinking hard about this code. What picture will the turtle make? Make a guess, then try it!

  • Turtle Challenge #17

    Turtle Challenge #17

    Real programmers read code and imagine what it will do. That’s called tracing. Have a go!

  • Turtle Challenge #14

    Turtle Challenge #14

    Grab a pencil. Sketch what you think this code will draw, then run it and compare.

  • Turtle Challenge #15

    Turtle Challenge #15

    Here’s some Python turtle code. Before you run it, read it carefully. Can you guess what it will draw?

  • Turtle Challenge #10

    Turtle Challenge #10

    Here’s some Python turtle code. Before you run it, read it carefully. Can you guess what it will draw?

  • Turtle Challenge #4

    Turtle Challenge #4

    Grab a pencil. Sketch what you think this code will draw, then run it and compare.

  • Turtle Challenge #2

    Turtle Challenge #2

    Real programmers read code and imagine what it will do. That’s called tracing. Have a go!

  • Turtle Challenge #1

    Turtle Challenge #1

    Beep is thinking hard about this code. What picture will the turtle make? Make a guess, then try it!