Groups of ten make addition a breeze! Use this nifty worksheet to learn about the "circle ten" shortcut.

Kids use two-digit addition to solve a handful of word problems.

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

Review three-digit addition and subtraction by solving these dino-riffic word problems.