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.

Become a number detective in this riddle-filled worksheet!

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.

Find out how well you know your numbers under 100 in this simple place value worksheet!

Match words to visuals in this helpful base ten worksheet!

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

Match numbers to their names in this hands-on worksheet!

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