Common Core State Standard
Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.
Load up your cannon with the right even or odd ammunition and shoot the numbered barrels to get rid of all of them on each level.  A fun physics game with a mathematical twist.
CCSS: 3.OA.D.9, 4.OA.C.5
Figure out the rule for the given number patterns. Quickly find the missing number in each pattern before time is up!
CCSS: 2.NBT.B.5, 3.OA.C.7, 3.OA.D.9
Don't crash your spaceship into the number planets. Blast a path through them by shooting the right numbers. Select to blast even/odd numbers or answers to addition, subtraction, multiplication, and division problems.