[color=#1551b5][b]This GeoGebra book contains links to a plethora of problems teachers can use to provide challenging enrichment activities for students that excel within the regular curriculum. [/b] Many of the problems in this book come from those posted on Twitter by Antonio Gutierrez ([url]https://twitter.com/gogeometry[/url]) and Alexander Bogomolny ([url]https://twitter.com/CutTheKnotMath[/url]).
[b]Each challenge (and corresponding animation) is mapped to one (or more) of the CCSS High School: Geometry standards.[/b] [/color]
