This number challenge will help reinforce number sense in kids who've mastered their counting.

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

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

Children will fill in the missing numbers from 46 to 50 in this sweet number sense worksheet.

Children will fill in the missing numbers from 95 to 100 in this sweet number sense worksheet.

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!

Learners will use their two-digit counting skills to complete a puzzle in this fun number sense worksheet.

Children will fill in the missing numbers to complete a hundreds counting chart in this number sense worksheet.

Children complete a dot-to-dot puzzle from 0 to 30 to reveal a horse's quiet shelter in this number sense worksheet.

Build number sense and familiarity with numbers 1–120 with this fun game! Students will roll a die and move that many more spaces. The first player to reach 120 wins!

Help your students understand two-digit numbers and what they represent! Print and laminate a set of the Place Value Mat: Two-Digit Numbers to support young math learners as they develop a stronger number sense!

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.

7 is equal to 8, true or false? Practice comparing numbers with this dog-themed math sheet.

Children practice identifying quantities by grouping in this early math worksheet!

Put your hundreds chart skills to the test by counting up the charts on this first grade math worksheet.