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.

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.

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

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

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

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

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

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

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

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

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!

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.

Practice rounding to the tens and hundreds places with this essential rounding worksheet!

Learn all about the word forms of multi-digit numbers with this cut-and-paste worksheet, tailored for second through fourth graders!

Write numbers in standard form based on nontraditional expanded form with this helpful worksheet!

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

This exercise will help your students strengthen their number sense by reviewing the basics of place value to round numbers correctly.

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

This rounding worksheet helps your students practice rounding three-digit numbers to the nearest hundreds, tens, and ones.

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

Get ready to test your word form knowledge with this colorful fourth-grade worksheet! 

Practice writing out five-digit numbers with this fourth-grade word form worksheet!

Become a word form expert with this fourth-grade worksheet!

Match word forms of multi-digit numbers with this interactive second- and third-grade worksheet! 

Test your knowledge of number names with this inviting worksheet!

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

Practice finding the names of six-digit numbers with this inviting worksheet!

Identify the names of numbers in the tens of thousands in this colorful worksheet!

Practice writing the names of numbers up to six digits long in this engaging math worksheet!