Addition and Subtraction Games
Addition and Subtraction (Resources)

Online lessons on addition.

Online lessons on subtraction.

Math.Com: Adding and Subtracting Integers
Indepth notes, examples, and practice with adding and subtracting integers.

Math.Com: Adding and Subtracting Decimals
Indepth notes, examples, and practice with adding and subtracting decimals.
Addition and Subtraction (Games)
Addition with Whole Numbers

Drag the number cards to make the correct problem

Solve the addition problems correctly

Answer the questions correctly to help your jet ski win the race.

Use your addition skills to shoot the spaceships.

Select the correct answer to power your boat. Your speed depends on how fast you answer the questions.
Subtraction with Whole Numbers

Answer subtraction questions to reach the million dollar question

Drag the number cards to make the correct problem

Use your quick subtraction skills to destroy the slime before it drips to the bottom.

Select the correct answer to power your jet ski. Your speed depends on how fast you answer the questions.
Addition and Subtraction wtih Decimals (Games)
Adding Decimal Numbers

Adding Decimals Soccer
See how many goals you can score by adding correctly. 
Matching
Match the problem with the corect sum. 
Hungry Puppies
Possible MultiPlayer Game wtih Adding Decimals
Subtracting Decimal Numbers

Subtracting Decimals Soccer
See how many goals you can score by subtracting correctly. 
Subtracting Decimals Baseball
See how many runs you can score by subtracting correctly. 
Shoot Some Hoops!
Possible MultiPlayer game while at the same computer.
Mixed Practice with Decimal Numbers

Decimals Jeapordy
There is multiplication in this game, but for now just do the addition and subtraction. 
Cool Math
Choose Addition or Subtraction of Decimals