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.

On this third grade math worksheet, kids round to estimate the sum of two numbers, a useful strategy for checking the results of calculations.

I spy a hungry shark in this worksheet! He's here to help you practice using "greater than" (>) and "less than" (<) symbols!

Hone your rounding skills with this helpful worksheet!

Kids solve two-digit addition problems, then compare the answers using the greater than, less than, and equal to symbols in this 2nd grade math worksheet.

Adding large numbers becomes easy when you know how to round. Add two groups of numbers, round them to the nearest 10, then add again.

Match numbers to their names in this hands-on worksheet!

Teach your little one about place values with this math worksheet. Each number is written out but is missing a digit or two that needs to be filled in.

In this 2nd grade math worksheet, your child will practice writing odd numbers and counting by 2 from 101 to 161 as they write the missing numbers in the spaces.

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.

Step up your place value skills with these engaging addition problems!

This colorful math worksheet has two advantages for your second grader! She'll boost her subtraction skills as she practices ordering numbers.

Greater than or less than? Challenge your second grader to explore number comparisons with this cheerful worksheet!

In this 2nd grade math worksheet, your child will practice writing even numbers and counting by 2 from 90 to 150 as they write the missing numbers in the spaces.

Practice your place value skills while you add in this helpful worksheet!

Get comfortable with three-digit subtraction as you complete this inviting second-grade worksheet!

Give your second grader extra practice with both subtraction and determining which numbers are odd and even with this colorful worksheet!

Test your subtraction skills in this colorful math worksheet!

Learn to perform addition with three-digit numbers in this essential worksheet!

Get ready to strengthen number sense with this fourth-grade math 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.

Use these digit cards to practice number recognition or basic facts. Or take the learning up a notch by using the cards to teach place value as students build two-digit numbers to play the Hungry Alligator game!

Use place value to add three-digit numbers with this second-grade worksheet!

This exercise will help your students strengthen their number sense by reviewing the basics of place value to round numbers correctly.

Get to grandma's house safely through the snow by filling in the missing numbers! This is a great activity to practice skip counting by twos.

Little math learners, get safely through the snow by filling in the missing numbers! This is a great activity to practice skip counting by twos.

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

Go over number order with your second grader with this nifty practice test.