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!

On this third grade math worksheet, kids round to estimate the sum of two numbers, a useful strategy for checking the results of calculations.

Learn to convert decimals to the thousandths place from expanded form to standard form with this useful fifth-grade worksheet!

Find the hidden rule in these puzzling math tables! Compare your "in" number to the corresponding "out" number to find the pattern in each table.

Children practice rounding to the nearest thousand in this rounding and place value worksheet.

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.

Practice finding the expanded form of numbers with this inviting worksheet!

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

Does your fourth grader love puzzles? This worksheet has three place value riddles, and we bet your child will love the challenge of finding their solutions.