Estimating Fractions
http://www.sheppardsoftware.com/mathgames/fractions/EstimateFractionsShapesShoot.htm
Algebra I
https://www.mathgames.com/algebra
http://www.math-play.com/Algebra-Math-Games.html
https://www.mathplayground.com/SaveTheZogs/index.html
https://www.mathplayground.com/XDetectives/index.html
http://www.sheppardsoftware.com/mathgames/ratios/MatchingRates.htm
Geometry
https://www.mathplayground.com/geometry_quiz.html
https://www.mathplayground.com/equation_creations_spiromath.html
https://www.mathplayground.com/JakeVSAstro_Archive01.html
https://www.mathplayground.com/JakeVSAstro_Archive07.html
https://www.mathplayground.com/PartyDesigner/index.html
Algebra II
https://www.ixl.com/math/algebra-2-- review for final too
http://mathbits.com/MathBits/PPT/Algebra2P2%20Challenge/Algebra2P2%20Challenge.html
https://www.mathsisfun.com/algebra/index-2.html
Probability
http://www.sheppardsoftware.com/mathgames/probability/MatchingProbabilitySpinners.htm