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

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.

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

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

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

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!

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

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

This number sequencing worksheet asks kids to arrange the numbers from least to greatest.

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

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