Cliqueu aquests enllaços per a poder practicar una mica més:
1- https://www.mathplayground.com/internal/arcademics_jet_ski.html
2- https://www.abcya.com/games/fuzz_bugs_factory
3- https://media.abcya.com/games/fuzz_bugs_patterns/html/index.html
4- https://www.eslgamesplus.com/members/html5/math/low/subtraction-SPACE/index.html
5- https://www.eslgamesplus.com/members/html5/math/low/subtraction-20-SPACE/index.html
6- https://media.abcya.com/games/clear_it_addition/html/index.html
