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

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

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.

Master addition using a place value chart with this engaging second-grade 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.

This expanded form worksheet gets your child to break down numbers by ones and tens. This expanded form worksheet is an easy introduction to place value.

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.

Children learn how to compare numbers using the greater than and less than symbols in this cheerful 2nd grade addition worksheet.

With a lesson on comparing numbers using the greater than and less than symbols, this 2nd grade math worksheet adds an extra dimension to addition practice.

Invite students to explore how numbers can be written several different ways with this second-grade place value worksheet!

Sweeten math time with our ice cream-themed worksheet. Using the concept of base 10, this math practice sheet teaches kids about place values.

Help your child develop their place value superpower with this practice sheet! This worksheet will help your student practice breaking down big numbers into expanded form using place value, from the ones place to the hundred thousandths place.

Practice writing numbers in expanded form with this one-page number sense worksheet!

Get practice writing numbers in different forms with this fourth-grade number sense worksheet!

This worksheet focuses on decimals and how to write them in expanded form using fractions.

Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.

Rounding numbers can be tricky. Teach your third graders the rhyme five or more up the score, four or less let it rest.

Practice writing numbers in standard, expanded, and word forms with this fill-in-the-blank worksheet!

This base 10 worksheet will have your kid breezing through place values and prepare him for math using higher numbers and decimals.

Math whizzes can learn to estimate sums quickly using front-end estimation! Round to the highest place value and then add or subtract the rounded numbers.

This silly alligator is on the hunt for a big meal! Introduce your child to "greater than" and "less than" using this greedy gator and his giant appetite.

Get your Easter-enthused mathematician to use his skip-counting skills in this pattern worksheet. Your child will complete the pattern using his math know-how.