Colours and numbers:
http://histgeodaudet.free.fr/banque/didapages/voc1/
Numbers:
https://learningapps.org/view3758131
http://www.prof2000.pt/users/tereza_n/numbers_1.htm
https://www.englisch-hilfen.de/en/exercises/various/numbers10-100.htm
http://www.ictgames.com/postletter.html (il faut cliquer sur la flèche, et mettre la lettre dans la bonne boîte aux lettres)
http://www.eflnet.com/vocab/dictionary/numbers_quiz2.php
http://eolf.univ-fcomte.fr/wp-content/uploads/grammar/numbers/12.htm