This set of math practice sheets provides practice with subtraction of whole numbers, when the minuend (larger number) is within 1,000. It is aligned to the 3rd grade common core standard 3.NBT.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.")
Each practice sheet has 20 problems, and there are ten practice sheets at each of three difficulty levels, for a total of