Estimation Routines with GeoGebra

Author:
John Ulbright

  • How Many?

    How Many?

  • Placing Numbers (up to 50)

    Placing Numbers (up to 50)

  • Fraction Guesser

    Fraction Guesser

  • What's the number?

    What's the number?

  • Part-Whole Rectangles

    Part-Whole Rectangles

  • Broken Clock (nearest minute)

    Broken Clock (nearest minute)

  • Relative number sizes via area

    Relative number sizes via area

  • Rounding within 1000

    Rounding within 1000

  • What's the angle?

    What's the angle?

  • Slope Guesser

    Slope Guesser

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