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Comparing Fractions with Like Numerators
https://www.splashlearn.com/fraction-games
Multiplication Games
Car Wash
https://www.multiplication.com/games/play/car-wash-multiplication
Patty's Paints
https://www.multiplication.com/games/play/pattys-paints-multiplication
Pirate Ship
https://www.multiplication.com/games/play/pirates-ii-multiplication
Holiday Fun
https://www.multiplication.com/games/play/holiday-fun-multiplication
Rounding
Soccer
http://www.abcya.com/rounding_numbers.htm
Sharks, Spaceships, etc.
https://www.free-training-tutorial.com/rounding-games.html
Pac-Man
http://www.sheppardsoftware.com/mathgames/round/mathman_round_hundreds.htm
Basketball
https://www.mrnussbaum.com/halfcourt/