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

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

Match word forms of multi-digit numbers with this interactive second- and third-grade worksheet! 

Sharpen second and third graders' number sense with this word form worksheet! 

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

This worksheet will challenge your third graders to round numbers and then them. Students will answer multiple choice questions by rounding up or rounding down numbers in the problems provided.

Children practice rounding to the nearest thousand in this rounding and place value worksheet.