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.

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

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!

Develop your rounding skills with this helpful worksheet!

Round 'Em Up! Kids learn how to round to the nearest ten and the nearest hundred on this third grade math worksheet.