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!

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.

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.

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Practice adding two-digit numbers with this compensation worksheet for second and third graders!

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