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

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.

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!

Addition will probably be the most basic and most constant use of math for any kid or adult. This worksheet will give your child lots of practice with it.

Jump forward and backward on a number line to solve addition problems in this engaging worksheet!

Test your skills with addition in this essential compensation worksheet!

Create models of addition problems with this compensation worksheet for second and third graders!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!