There are many games that can be played to increase skills.
Math Lines
This game starts simple, but gets very difficult fast. It is a great way to practice your sums of 10. I recommend all students give it a try.
Common Core Games for Grade 6
There are many games here based on the objectives in the 6th grade common core. Play in the areas you are not good at.
Be sure to play on super brain to get good mental math practice!
Lots of games and activities
Skills can be practiced here:
Try this puzzle!
From Discovery Education
Try to fill in the missing numbers.
Use the numbers 1 through 9 to complete the equations.
Each number is only used once.
Each row is a math equation. Each column is a math equation.
Remember that multiplication and division are performed before addition and subtraction.