This Add and Subtract within 1000 worksheet also includes:
- Answer Key
- Join to access all included materials
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to work with in each problem. Because this includes an explanation at the bottom, consider projecting it as an all-class worksheet and revealing the answer after taking student responses.