### Common Core State Standard

### 2.NBT.B.5

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

*CCSS: 2.NBT.B.5, 3.OA.C.7*

Use the arrow keys to have the snake eat the orb that answers the problem at the bottom of the screen. Don't let the snake run into its own body! Choose to play using addition, subtraction, multiplication or division

*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.

*CCSS: 2.NBT.B.5*

Answer the space cars subtraction problems to speed them up and get them safely through the intersection. Answer as quickly as possible to keep the space cars from crashing.

*CCSS: 2.NBT.B.5, 3.OA.C.7*

Find the answer to the math problems and then knock the answer down with your trusty catapult in this cool math game.