Common Core State Standard
3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

CCSS: 2.NBT.B.5, 3.NBT.A.2
Race your motorcycle to the finish line. Race against some tough competitors and try and beat them all using your addition skills.

CCSS: 2.NBT.B.5, 3.NBT.A.2, 3.OA.C.7
Drag and drop the number that will complete the number sentence correctly Play using addition, subtraction, multiplication or division.

CCSS: 3.NBT.A.1, 3.NBT.A.2, 4.NBT.A.3
The number rounding version of Math Tank Run. Round correctly to figure out which mine is safe to pass over. One mistake and your tank is out of commission.