Addition to 20

https://www.sheppardsoftware.com/math/addition/fruit-splat-number-lines/

https://www.https://www.sheppardsoftware.com/mathgames/numbertwins/numbertwins_add_5.htmsheppardsoftware.com/mathgames/earlymath/bugabalooShoes.htm

Subtraction from 20

https://www.sheppardsoftware.com/mathgames/numbertwins/numbertwins_add_5.htm

https://www.sheppardsoftware.com/mathgames/popup/popup_subtraction.htm

Make 10

https://www.sheppardsoftware.com/mathgames/numbertwins/numbertwins_add_5.htm

https://nb.mathgames.com/play/candy-stacker.html

https://www.mathplayground.com/place_value_party.html

Virtual Math Tools

https://www.didax.com/math/virtual-manipulatives.html

https://toytheater.com/category/teacher-tools/virtual-manipulatives/

Patterns

http://resources.hwb.wales.gov.uk/VTC/simple_patterns/eng/Introduction/MainSession.htm

https://www.abcya.com/games/patterns

Review:

https://www.abcya.com/games/number_bubble_skip_counting

https://mathville.com/gr1mathGames/sumTenSolitaire.html

https://www.topmarks.co.uk/addition/robot-addition

https://www.mathplayground.com/puzzle_pics_subtraction_facts_to_20.html