https://www.abcya.com/games/number_match
https://www.abcya.com/games/number-bingo
https://www.abcya.com/games/birthday-candle-counting
By tens, up to 100
https://www.abcya.com/games/connect_the_dots
3 Levels of Difficulty
https://www.abcya.com/games/counting_fish
https://www.abcya.com/games/addition
https://www.abcya.com/games/base-ten-bingo
addition, subtraction, multiplication and division
https://www.abcya.com/games/math-bingo
https://www.abcya.com/games/kindergarten_word_problems_add_subtract
https://www.mathplayground.com/math_monster_subtraction.html
https://www.mathplayground.com/ASB_Sailboat_Subtraction.html