### Common Core State Standard

### 3.OA.D.9

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*.

*CCSS: 3.OA.D.9*

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!