Swim through this ocean-themed number exercise to find the lost city of Atlantis. Kids will work on ordering numbers in this math worksheet.

Learn to write and represent tens with this first-grade math worksheet!

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

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

Looking for a worksheet to help your child with reading numbers? This first grade printable will flex his number skills.

Kids practice estimation by guessing the number of stars on this first grade math worksheet. Then they check their guess by counting the stars.

For each two-digit number on this first grade math worksheet, kids determine the place value of each digit, then write each digit in the tens or ones column.

For each two-digit number on this first grade math worksheet, kids determine the place value of each digit, then write each digit in the tens or ones column.

Kids find the missing numbers to complete the iceberg grid. This first grade math worksheet offers practice counting whole numbers to 100 and counting by fives.

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.

Help your first grader practice counting with a tugboat dot to dot.

Help your first grader refresh her understanding of the order of numbers with this practice quiz.

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!

Review numbers and counting skills with your first grader. This practice quiz is a great intro to standardized testing.

Have your first grader practice sequencing numbers by putting this group of 18 consecutive numbers back into the right order.

Prepare to explore a mysterious cave where there are dangers around every corner! Your first grader will practice putting numbers in order.

Some of your friends' Valentine's Day notes need to be delivered! Have your first grader practice sequencing numbers with this worksheet.

Some of your friends' Valentine's Day notes need to be delivered! Have your first grader practice sequencing numbers with this activity.

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

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.

Can your first grader do some counting to help deliver these Valentine notes? Help him practice sequencing numbers with this activity.

Is your second-grader ready for a number adventure to discover a long-lost golden temple? She'll get to practice counting as she goes.

Is your second-grader ready for a number adventure to discover a long-lost golden temple? She'll get practice putting big numbers in order.

Prepare to explore a mysterious cave with dangers around every corner! Your first grader will practice putting numbers in order as she explores the cave.

Who knew counting practice could be such an adventure? Your first grader will practice number ordering and skip counting as she journeys through the cave.

Who knew counting practice could be such an adventure? Your first grader will practice putting numbers in order and skip counting as she searches for treasure.

Prepare to explore a mysterious cave with hidden dangers. Your first grader will put numbers in order as she makes her way through the cave.

Who knew counting practice could be such an adventure? Your first grader will practice ordering numbers and skip counting as she dodges obstacles in the cave.