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.

For each four-digit number on this fourth grade math worksheet, kids determine the place value of each digit.

Figure out what the numbers are from the clues! For example, which number has four tens and five ones? These math riddles are a fun challenge for kids.

With the concept of base 10, it's easy to understand place values. Help your child learn that each digit is ten times the value of the one to its right.

Ponder place value puzzles in this fourth- and fifth-grade worksheet!

Give your students targeted practice rounding multi-digit whole numbers with this one-page number sense worksheet!

Students round numbers to the nearest thousand with this inviting practice worksheet!

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

Practice rounding multi-digit numbers with this quiz-style worksheet!

Reach the peak of number know-how with this worksheet all about comparing numbers!

Improve your knowledge of word form with this helpful matching worksheet!

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

Sharpen second and third graders' number sense with this word form 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.

Round 'Em Up! Kids learn how to round to the nearest ten and the nearest hundred on this third grade math worksheet.