Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.
Sum up third grade addition with this expansive collection of worksheets. Our third grade addition worksheets provide practice in multi-digit computation, two-step word problems, using addition to solve multiplication problems, and rounding to the nearest hundred to estimate a sum. In addition, this collection includes logic games, holiday themes, and practice with analyzing and interpreting data in graphs.