This worksheet takes your child a step farther than one-digit addition. As he completes the page, he'll learn to add a two-digit number to a one-digit number.

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

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

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

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

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!

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