Some of your friends' Valentine's Day notes need to be delivered! Practice sequencing numbers by putting this group of 18 consecutive numbers in order.

Give your first grader some practice sequencing numbers! He'll put this group of 18 consecutive numbers in order from greatest to least.

Base your knowledge of word form in base ten blocks with this fill-in-the-blank worksheet!

Build fluency by identifying one more and ten more than a given number within 100 with this worksheet!

Help your students use their knowledge of place value to add or subtract 10. By understanding how numbers are made of tens and ones, students learn how to add and subtract 10 with ease.

Have your first grader practice sequencing numbers by putting this group of 18 consecutive numbers back into the right order.

These love notes need to be delivered! Practice sequencing numbers by putting this group of 18 consecutive numbers back into the right order.

Learn to write and represent tens with this first-grade math worksheet!

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

Boost your first grader's number sense with a lesson in place value up to the tens place.

These St. Patrick Day numbers have lost their luck! Get them back into consecutive order to bring the luck back to this leprechaun.

For each two-digit number on this first grade math worksheet, kids determine the place value of each digit, then write each digit in the tens or ones column.

For each two-digit number on this first grade math worksheet, kids determine the place value of each digit, then write each digit in the tens or ones column.

Invite first graders to dive into the world of two-digit numbers using place value models!

First graders explore two-digit numbers using place value models in this number sense worksheet!

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

Work on your word form skills in this colorful, inviting worksheet!

Who says learning place value has to be hard? This counting worksheet makes it as easy as 1-2-3!

Understanding place value is fundamental to developing and mastering number sense skills. Use this assessment activity to evaluate how your first graders are coming along in their understanding of place value using tens and ones.

Some of your friends' Valentine's Day notes need to be delivered! Have your first grader practice sequencing numbers with this 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.

Students imagine units and rods are candies and broomsticks in this place value game. They will use this board to regroup between place values up to the tens place, and the first player to get to five broomsticks, or 50, wins the game!

Engage your students in learning about place value by having them make their very own numbers! Students will have fun drawing out tens and ones to create any number they wish with this creative math worksheet.