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!

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.

Compare numbers using words and symbols in this fourth-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.

Learn all about the word forms of multi-digit numbers with this cut-and-paste worksheet, tailored for second through fourth graders!

Identify the word form of five- and six-digit numbers with this colorful fourth-grade worksheet!

Become a number detective in this riddle-filled worksheet!