Subtraction within 1,000

MGSE3.NBT.2 (Add and subtract within 1000)

I can fluently add within 1000 using strategies and algorithms based on PLACE VALUE.

I can add within 1000 by using the properties of operations.

I can add within 1000 by using the relationship between addition and subtraction.

I can fluently subtract within 1000 using strategies and algorithms based on PLACE VALUE, properties of operations, and/or the relationship between addition and subtraction.