In this worksheets, learn how to add the tens first when using a hundreds chart.

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

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

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

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

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

Invite first graders to dive into the world of two-digit numbers using place value models!

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

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

Give your first grader some practice sequencing numbers! He'll put this group of 18 consecutive numbers in order from greatest to least.

Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

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.

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.

Students imagine units and rods are candies and broomsticks in this place value game. They will use this board to regroup between place values up to the tens place, and the first player to get to five broomsticks, or 50, wins the game!

Kids visually estimate the number of oranges on a set of trees, then count the oranges one by one and see how close they were. Then they color the page.

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

Enjoy a Halloween-themed race to 100 as students imagine units, rods, and flats as candies, broomsticks, and pumpkins. Players will use this pumpkin race board to regroup between place values up to the hundreds place in order to win the game!

Enjoy a dessert-themed race to 100 with this delicious math game in which learners imagine units, rods, and flats as sprinkles, chocolate bars, and cookies.

Bring something sweet to your next math lesson with this Five Candy Bars Race Board in which learners imagine units and rods are sprinkles and candy bars.

Teach your child about inequality statements with this cheerful 2nd grade addition worksheet.

Put your knowledge of number names to the test in this engaging math puzzle!

Learners use base ten diagrams to enhance their understanding of multiples of ten in this practice worksheet.

These love notes need to be delivered! Practice sequencing numbers by putting this group of 18 consecutive numbers back into the right order.

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

Some of your friends' Valentine's Day notes need to be delivered! Practice sequencing numbers by putting this group of 18 consecutive numbers in order.

Children learn a valuable strategy for conceptualizing and solving word problems in this two-digit addition worksheet.

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

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.