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

This first grade math worksheet helps your child practice estimation, an important skill he will use as he progresses in math, and throughout his life.

This math worksheet gives your child lots of practice with front-end estimation, addition, and subtraction.

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.

Kids visually estimate the number of fish swimming on this worksheet. After making their guess, they check it by counting each fish.

Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

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

This worksheet will challenge your third graders to round numbers and then them. Students will answer multiple choice questions by rounding up or rounding down numbers in the problems provided.

Learn to convert decimals to the thousandths place from expanded form to standard form with this useful fifth-grade worksheet!

Give students practice converting decimal numbers between their standard, expanded, and word forms with this number sense worksheet!

Students demonstrate their understanding of how to convert decimal numbers from their standard form to expanded form in this quiz-style practice worksheet!

Searching for a worksheet that practices rounding numbers and subtraction skills? This printable uses estimation to subtract three digit numbers.

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.

How quickly can your math master round and add up these sums? Help him build a valuable math skill with this estimation worksheet.

Time for a numbers round-up! Rounding and estimation are important math concepts that will help boost your child's mental math skills.

Decimals can be daunting, but your kid can gain comfort with them without writing. This worksheet lets your kid work with money without writing decimal amounts.

Children learn to write decimals as phrases and phrases as decimals with this practice worksheet.

Use the worksheet 2017 Census Data: Working for a Living 3 to help your fourth or fifth graders evaluate a bar graph with numbers represented as decimals. They will use the graph to compare and add the decimal numbers.

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

Children practice writing expanded form decimals as phrases—and phrases as expanded form decimals—in this math worksheet.

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

Learners round decimals and fractions to the nearest whole number in this practice worksheet.

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.

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.

With these busy, colorful worksheets, kids can get a grasp on money-counting and sequential order when dealing with decimals.

Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!

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