Adding and Subtracting
http://www.missmaggie.org/scholastic/roundtheworld_eng_launcher.html
http://www.roomrecess.com/mobile/TicMathToe/play.html
http://www.abcya.com/math_stack.htm
http://www.primarygames.com/flashcards/twomin.htm
https://www.coolmath4kids.com/
Time
https://www.sheppardsoftware.com/mathgames/earlymath/on_time_game1.htm
ELA
Sight Words
http://www.abcya.com/dolch_sight_word_bingo.htm
http://www.abcya.com/dolch_sight_word_spelling.htm
Nouns and Verbs
http://www.abcya.com/nouns_and_verbs.htm
Science
https://www.sciencekids.co.nz/sciencefacts/animals.html
Epic
https://www.getepic.com/sign-in