Learning how to check our work is essential to becoming strong math students! In this exercise, students will first solve the subtraction problems, then they'll practice checking their work by plugging the answers into an addition equation.
Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.
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.