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.

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

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.

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.

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