https://www.arcademics.com/
- http://www.sums.co.uk/playground.htm
- http://www.free-training-tutorial.com/math-games.html
- http://www.woodlands-junior.kent.sch.uk/maths/index.html
- http://www.crickweb.co.uk/
- http://www.arcademicskillbuilders.com/games/
- http://www.mathplayground.com/games.html
- http://www.math-play.com/index.html
- http://www.onlinemathlearning.com/measurement-games.html
- http://www.sheppardsoftware.com/math.htm
- http://cemc-dev.uwaterloo.ca/mathfrog/english/kidz/Games6.shtml
- http://www.softschools.com/math/games/
- http://www.toonuniversity.com/free/math-games-4th-6th_a.asp
- http://www.decimalsquares.com/dsGames/
- http://www.gamequarium.com/measurement.html
- http://cemc2.math.uwaterloo.ca/wired_math/english/grade7/index.html
- http://www.shodor.org/interactivate/activities/
- http://www.coolmathworksheets.com/decimals.html
- http://www.earlychildhoodgames.com/earlychildhood-math-games.html
- http://www.free-training-tutorial.com/math-games.html
- http://jmathpage.com/JIMSNumberpage.html
- http://www.funbrain.com/kidscenter.html
- http://www.softschools.com/math/games/
- http://www.xpmath.com/
- http://www.cauchy.pl/index.php - duży zbiór zadań
- http://www.medianauka.pl/index.php - duży zbiór lekcji, artykułów, filmów, animacji