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!

This expanded form worksheet gets your child to break down numbers by ones and tens. This expanded form worksheet is an easy introduction to place value.

Explore two-digit numbers using place value models with this first-grade number sense worksheet!