This is a powerpoint file that covers :
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.
2.NBT.B.6-Add up to four two-digit numbers using strategies based on place value and properties of operations.
The 4 categories are adding, subtracting, word problems and mixed review. Each category has 4questions each!