Common Core State Standard
2.OA.C.3
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

CCSS: 2.OA.C.3
Collect the even and odd numbers by hitting them with the correct side of the spinning collider.

CCSS: 2.OA.C.3
The ants are trying to escape with their even / odd balloons. Luckily you've got your trusty slingshot with you.

CCSS: 2.OA.C.3, 3.OA.D.9
Help Left Turn Otto find all of the even numbers or all of the odd numbers on each level. Otto only turns left so you'll need to be careful.

CCSS: 2.OA.C.3
Shoot the Even and Odd number balls based on the background indicator. Keep on playing by avoiding the number balls.

CCSS: 2.OA.C.3
The Even Odd Pups are hungry but they are a little choosy as Even only eats the Even Bones and Odd only eats the Odd Bones. You'll need to fill them up before you can move to the next level.