A2
Listening and viewing
Listen- and read-along videos
http://www.manythings.org/voa/v/ja/ (which can also be used for designing listening comprehension tasks)
https://listenaminute.com/ (which can be used for designing listening comprehension tasks)
Reading
Short stories for kids | LearnEnglish Kids - British Council
English news and easy articles for students of English (newsinlevels.com)
book1 Robinson Crusoe / book2 Little Prince in 3 levels (reading and listening)
Easy texts for adaptation for CBLT (Content-Based Language Teaching)
https://quatr.us/history
https://quatr.us/biology
https://quatr.us/geology
https://quatr.us/math
https://quatr.us/physics
www.enchantedlearning.com/subjects/
Vocabulary
https://www.englishclub.com/vocabulary/
Grammar
https://www.englishclub.com/grammar/
listening and grammar English news and easy articles for students of English (newsinlevels.com)