Addition by Rounding Underlined Digit to Nearest 10 or 100 or 1000

In this fifth grade math worksheet, students are required to estimate addition by rounding underlined digit of large number to the nearest 10 or 100 or 1000 (rounding marked digit to the nearest ten, hundred or thousands) as like in the given solved example of this online workbook for addition estimation problems.

To round the underlined digit to the nearest 10, increase or decrease to the next TEN or earlier TEN, if the value of Ones digit of the given large number is greater than or equal to 5, or less than 5 respectively.

To round the underlined digit to the nearest 100, increase or decrease to the next HUNDRED or earlier HUNDRED, if the value of combination of Tens & Ones digit of the given large number is greater than or equal to 50, or less than 50 respectively.

To round the underlined digit to the nearest 1000, increase or decrease to the next THOUSAND or earlier THOUSAND, if the value of combination of Hundreds, Tens & Ones digit of the given 5-digit number is greater than or equal to 500, or less than 500 respectively.

Teachers, parents or students can check or validate the completed math workbook containing the set of 5th grade math questions for practice estimate addition by rounding underlined digit to the nearest ten or hundred or thousand for large numbers by using the corresponding answers key.

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