Strandmølleskolen

http://nlvm.usu.edu/en/NAV/frames_asid_297_g_3_t_3.html?open=activities&from=topic_t_3.html (spejling)

http://www.primarygames.co.uk/pg4/ReflectaSketch/reflectasketch.html (spejling på tid)

http://nlvm.usu.edu/en/NAV/frames_asid_299_g_3_t_3.html?open=activities&from=topic_t_3.html (drejning)

http://nlvm.usu.edu/en/NAV/frames_asid_301_g_3_t_3.html?open=activities&from=topic_t_3.html (paralelforskydning)

http://nlvm.usu.edu/en/NAV/frames_asid_294_g_3_t_3.html?open=activities&from=topic_t_3.html (spejling, drejning og parallelforskydning)

http://www.primarygames.co.uk/pg4/TranslationStation/tstation.html (koordinatsystem)

http://illuminations.nctm.org/ActivityDetail.aspx?ID=125 (isometrisk tegning)

http://www.fi.uu.nl/toepassingen/00338/toepassing_rekenweb.xml?style=rekenweb&language=en&use=game (byg med klodser)

http://www.fi.uu.nl/toepassingen/00207/toepassing_rekenweb.xml?style=rekenweb&language=en&use=game (find den røde side)

http://illuminations.nctm.org/ActivityDetail.aspx?ID=84 (hvilken tegning kan blive til en terning?)

http://nlvm.usu.edu/en/NAV/frames_asid_275_g_3_t_3.html?from=topic_t_3.html (rumfang)

http://nlvm.usu.edu/en/NAV/frames_asid_141_g_1_t_3.html?open=activities&from=topic_t_3.html (før mariehønen gennem labyrinten)

http://www.fi.uu.nl/toepassingen/03015/exercise1.html (minigolf, vinkler)

Tal

http://www.primarygames.co.uk/PG5/Snap/snaptab/snaptab.html (gangespil for 2)

http://www.primarygames.co.uk/PG5/Snap/snapadd/snapadd.html (plusspil for 2)

http://www.primarygames.co.uk/PG5/Eggs/Add/eggsadd.html (plusspil for 1)

http://www.primarygames.co.uk/PG5/Sidsays/sidsays.html (sæt tal på tallinier)

http://www.primarygames.co.uk/PG5/Inequal/sidequal.html (større end og mindre end)

http://www.primarygames.co.uk/pg4/SequenceSquare/twoplayer/2playersquare55.html (Tabelspil for 2)

http://www.fi.uu.nl/toepassingen/00008/toepassing_wisweb.en.html (ram 24)

http://www.primarygames.co.uk/pg4/Ghostblasters2006/ghost2006.html (tabelspil -ghostbuster)

http://nlvm.usu.edu/en/NAV/frames_asid_182_g_3_t_2.html?from=topic_t_2.html (pindehop)

http://nlvm.usu.edu/en/NAV/frames_asid_288_g_1_t_1.html?open=instructions&from=topic_t_1.html (mastermind)

http://www.crickweb.co.uk/assets/resources/flash.php?&file=PYRAMID3 (talpyramider)

http://www.crickweb.co.uk/assets/resources/flash.php?&file=washindex6 (decimaltal på tørresnor)

http://nlvm.usu.edu/en/NAV/frames_asid_188_g_2_t_1.html?open=instructions&from=topic_t_1.html (ram 21 i cirkler)

http://nlvm.usu.edu/en/NAV/frames_asid_187_g_2_t_1.html?open=instructions&from=topic_t_1.html (ram 3 i cirkler, decimaltal)