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

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.

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

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!

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