Business is booming at the Number Factory! Its time for your first grader to go to work putting numbers in order in all kinds of ways.

Sharpen your first grader's number sense with an exercise in recognizing number patterns.

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!

Help your first grader build her number sense with this worksheet featuring number patterns by 2, 5, and 10.

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

Packed with skip counting practice, this sporty worksheet builds number sense and paves the way for future multiplication skills.

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.

Challenge your child's number sense with a Christmas counting adventure! He'll be sequencing numbers in order from greatest to least.

Challenge your child's number sense with a Christmas counting adventure! He'll be sequencing numbers as he makes his way to grandma's house.

Practice your cents sense counting pennies with this worksheet! Add up the coins to see how much change Chris and Yannick have!

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

Build your child's number sense, with an undersea number adventure! She'll navigate through coral reefs as she puts numbers in the right order.

Challenge your child's number sense with a Christmas counting adventure! He'll be skip counting by twos as he makes his way to grandma's house.

Build your child's number sense, with an undersea number adventure! She'll navigate through coral reefs and around fish as she puts numbers in the right order.

Here's a factory that can help your child improve his number sense! Enjoy a day at the Number Factory, where he'll put numbers in the right order.

Here's a factory that can help your child improve his number sense! Enjoy a day at the Number Factory, where he can put numbers in the right order.

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.

Learn to see patterns in numbers with this handy chart. Kids will be prompted to skip count and color as they go.

Your first grader will have a blast with this ultra-fun dice activity--and will practice her knowledge of coins and addition in the process!

A counting worksheet for first- and second-graders featuring a ring.

Practice skip counting with this worksheet focuses on fives.

Find Atlantis and practice number ordering with this undersea number worksheet. Kids will arrange numbers from least to greatest and vice versa.