加加看 : 添加分数 (Adding Fractions)
Hexadecimal Bee Game
Converting hexadecimal, binary and decimal numbers.
Fewest Coins (Red)
Exchanging quarters, dimes, nickels, and pennies for the fewest coins possible at the lowest level of differentiation
Adding and Subtracting
Play this game with a partner and see who can make it to the hive first!
7th Grade Review: Geometry, Math and Measurement
Practice for 7th grade sgo