The following games are from the website FUN BRAIN
Math Baseball (facts X, /, +, --)
One False Move (ordering numbers)
Place Value Puzzler (choose medium and up to quiz place value)
Cookie Dough (numeric - word form of numbers)
Power Football (decimal +, --, X, /)
Soccer Shootout (fractions +, --, X, /)
Fresh Baked Fractions (simplest form fractions, choose medium and up)
Line Jumper (introduction to integers using number lines)
Math Racecar (integers-positive, negatives +, --, X, /)
Operation Order (beginning algebraic thinking)
What's the Point? (coordinates on a coordinate plane)
Measure It! (metric and customary)
Shape Surveyor (area and perimeter)
Number Cracker (next number in a series)
Tic Tac Toe Squares (all operations, many challenging features)
Guess my Number? (hints help you figure out the number)
Penguin Waiter (calculating tips in restaurants--percentages)