Kids can practice changing singular nouns to plural nouns that end with s or es.

Use this glossary with the EL Math Support Lesson: Exploring Number Forms.

Use these vocabulary cards with the EL Math Support Lesson: Exploring Number Forms.

Does your second grader have a penchant for planets? Incorporate some solar system science into his regular subtraction practice for a double dose of fun!

Children practice writing numbers from expanded forms, and expanded forms from numbers.

Children practice writing numbers from expanded forms and expanded forms from numbers.

Learn the word forms of multiples of ten with this colorful worksheet!

Invite students to explore how numbers can be written several different ways with this second-grade place value worksheet!

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

This worksheet challenges your kid to figure out numbers from their written forms. She'll be challenged with numbers into the thousands.

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

Match the numbers with their written out forms on this math worksheet. Your child can brush up on place values as well as gain mastery of the base 10 system.

Give your second grader an extra incentive to practice double-digit addition--a coloring activity!

With a lesson on comparing numbers using the greater than and less than symbols, this 2nd grade math worksheet adds an extra dimension to addition practice.

Practice your place value skills with this helpful matching exercise!

Young addition whizzes get a run for their money in this 2nd grade math worksheet that combines two-digit addition, place value, and rounding!

Reveal a playful picnic by completing this first- and second-grade place value puzzle!

Practice writing numbers in expanded form with this one-page number sense worksheet!

Turn words into numbers in this colorful math worksheet!

Practice addition while solving number puzzles in this engaging worksheet for first and second graders!

Make word form fun with this bright second-grade worksheet!

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

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

Test your knowledge of number names with this bright worksheet!