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!

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.

Get your lasso ready, it's time to round up the hundreds herd! Your rounding rancher will practice estimating numbers to the nearest hundred.

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.

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

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

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

Show your understanding of place value and rounding with this comprehensive number sense assessment worksheet!