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Google Classroom
GeoGebra
GeoGebra Classroom
Outline
Estimation Routines with GeoGebra
How Many?
Placing Numbers (up to 50)
Fraction Guesser
What's the number?
Part-Whole Rectangles
Broken Clock (nearest minute)
Relative number sizes via area
Rounding within 1000
What's the angle?
Slope Guesser
Estimation Routines with GeoGebra
Author:
John Ulbright
How Many?
Placing Numbers (up to 50)
Fraction Guesser
What's the number?
Part-Whole Rectangles
Broken Clock (nearest minute)
Relative number sizes via area
Rounding within 1000
What's the angle?
Slope Guesser
Next
How Many?
New Resources
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PMC 2009-10 Q1
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Pythagorean Tower 1
Discover Topics
Bar Chart or Bar Graph
Scatter Plot
Subtraction
Exponent
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