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.

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.

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

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

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

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

Challenge your students to reorder the digits in two-digit numbers to create the biggest and smallest numbers possible.

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

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.

Help your child practice his counting skills with this printable worksheet, which will help him identify odd numbers.

Kids practice the count sequence and writing numbers with this fill-in-the-blank counting worksheet.

Kids find the missing numbers to complete the egg number grid. This first grade math worksheet helps kids practice counting whole numbers to 100.

Looking for a worksheet to help your child with his math skills? This printable is all about counting.

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

Children will fill in the missing numbers from 63 to 72 in this sweet number sense worksheet.

Children will fill in the missing numbers from 46 to 50 in this sweet number sense worksheet.

Children will fill in the missing numbers from 95 to 100 in this sweet number sense worksheet.

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