How high can you count? Use this handy check-in to assess your second graders’ abilities to count by ones, tens, and hundreds within 1,000.

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

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.

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