Often asked: How Do You Round Long Numbers?

Reminder: Rules For Rounding Numbers

  1. If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up.
  2. If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down.
  3. All the numbers to the right of the place you are rounding to become zeros.

How do you round a long decimal?

There are certain rules to follow when rounding a decimal number. Put simply, if the last digit is less than 5, round the previous digit down. However, if it’s 5 or more than you should round the previous digit up. So, if the number you are about to round is followed by 5, 6, 7, 8, 9 round the number up.

How do you round 1000 numbers?

To round a number to the nearest 1000, look at the hundreds digit. If the hundreds digit is 5 or more, round up. If the hundreds digit is 4 or less, round down. The hundreds digit in 4559 is 5.

What is roundoff example?

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 only two decimals are to be kept, then 6.4872 becomes 6.49. Similarly, 6.997 becomes 7.00.

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What number is rounded to 15000?

The number 15, 56 rounded to the nearest thousand is 15,000.

What is 7500 rounded to the nearest 1000?

In this example 7500 is exactly half way between 7000 and 8000 so we round up. 7500 rounded to the nearest 1000 is 8000.

What number is rounded to the nearest thousands?

The rounding of numbers to the nearest thousandth means rounding of any decimal numbers to its nearest thousandth value. In the decimal system, thousandth means (1/1000) or 0.001. For example, the number 3.1249 rounded to its nearest thousandth is 3.125.

What are the rounding rules?

Here’s the general rule for rounding:

  • If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38 rounded to the nearest ten is 40.
  • If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down. Example: 33 rounded to the nearest ten is 30.

Should you round up or down 5?

The rule you need to remember is: “ If the digit is less than 5, round the previous digit down; if it’s 5 or greater, round the previous digit up.” To round a digit down means to leave it unchanged; to round a digit up means to increase it by one unit.

What is the rounding rhyme?

Rounding Rhyme- Four or less let it rest, five or more let it sore. Four or less let is rest and Five or more let it soar are great rounding rhymes to help students remember the rules for rounding.

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How do you round step by step?

Step 1: Circle the place value of the digit to be rounded. This is the rounding digit. Step 2: Look to the neighboring digit on the right. Step 3: a) If the neighboring digit is less than five (0 – 4), keep the rounding digit the same.

Why do we round up at 5?

If you’re missing all digits but the next, then a number of the form X. 5 could be exactly halfway, or it could round up, but it could never round down. So it is rounded up.

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