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

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

Tackle triple-digit addition and subtraction with this practice worksheet.

Children stretch their regrouping skills as they solve three-digit subtraction word problems.

Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!