Should you round that number up or round it down? Help your seafarer master the art of rounding with this fun fish color by number.

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.

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.

This watery worksheet is the perfect way to teach your child how to round to the nearest hundred.

Help your child get comfortable with rounding numbers to the nearest ten with this sea-themed worksheet.

Kids practice rounding to the nearest ten, hundred, and to the place value underlined on this math worksheet.

Your students will apply their understanding of place value and number sense as they complete this math problem set.

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

Your student will practice her rounding skills with this multiple choice worksheet. Once she's done, she'll be an expert at rounding up and down.