Circle the digit to be rounded. 65,839 The digit to the right is 5 or more, so 1 is added to the circled digit. The digits after the circled digit are replaced with zeros. 65,839 rounded to the nearest ten thousand is 70,000. Need help? connectED.mcgraw-hill.com Lesson 5 Use Place Value to Round Lesson 5 My Homework!41
Rounding up the Nines. Suppose that an object is found to have a weight of 3.98 ± 0.05 g. This would place its true weight somewhere in the range of 3.93 g to 4.03 g.In judging how to round this number, you count the number of digits in “3.98” that are known exactly, and you find none!
We round your numbers into ones, tens, hundreds, thousands, tens of thousands, hundreds of thousands, millions, tenths, hundredths, thousandths, ten thousandth ...
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 5-digit number is greater than or equal to 50, or less than 50 respectively.
Dec 02, 2020 · In 46, the digit in the ones place is 6. Hence, 46 rounded off to the nearest ten is 50. In 251, the digit in the ones place is 1. Hence, 251 rounded off to the nearest ten is 250. In 345, the digit in the tens place is 4. Hence, 345 rounded off to the nearest hundred is 300. In 9157, the digit in the tens place is 5.
Teaching Students About Rounding Numbers: Tips and Strategies. Rounding is an essential math skill that students usually start to learn in third grade. There, they learn to round to the nearest ten or 100. In fourth grade, they learn to round whole numbers with multiple digits to any place - unit, ten, 100 and on up.
In rounding off numbers, the last figure kept should be unchanged if the first figure dropped is less than 5. For example, if only one decimal is to be kept, then 6.422 becomes 6.4. CASE B: In rounding off numbers, the last figure kept should be increased by 1 if the first figure dropped is greater than 5.
For example, if you are to round to three sig figs, you have to look at the fourth significant figure. If you are to round off the the 0.01 place, you have to look at the 0.001 place as well. The digit in this place tells you to round up (if it is 6, 7, 8, or 9) or to round down (if it is a 1, 2, 3, or 4).
Rounding also comes in handy to see if a calculation is reasonable. Rounding Whole Numbers . These are the rules for rounding whole numbers: First, identify the digit with the place value to which you are rounding. You might circle or highlight the digit so you can focus on it better.