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!

Children stretch their regrouping skills as they solve three-digit subtraction word problems.

Children develop their number sense skills as they practice ordering two-, three-, and four-digit numbers in this math worksheet.

Unscramble the numbers to answer each clue. Strengthen those place value and logic skills as you mix the numbers around according to the clues given.

Time for a numbers round-up! Rounding and estimation are important math concepts that will help boost your child's mental math skills.

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

It's time to check on those math skills! Assess your second graders' understanding of three-digit place value and expanded form with this quick check-in.

Make word form fun with this bright second-grade worksheet!

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