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Rounding decimalsWhen rounding decimals, follow the three steps below: Step #1: Find the place you are rounding to. Is it the tenths, the hundredths, or the thousandths? Step #2: If the digit to the right of the place you are rounding to is 5 or more, add 1 to the place you are rounding to. If it is less than 5, add nothing. Step #3: drop all the digits to the right of the place you are rounding to. Example #1: Round 2.1582 to hundredths. Step #1 The place you are rounding to is the place the number 5 holds: 2.1582 Step #2 The digit to the right of 5 is 8 and it is at least 5. Therefore, we can add 1 to 5 to make it 6 Step #3 Drop 82 (all digits to the right of 5) The answer is 2.16 Example #2: Round 4.241 to tenths Step #1 The place you are rounding to is the place the number 2 holds: 4.241 Step #2 The digit to the right of 2 is 4 and it is less than 5. Therefore, we add nothing to 2 Step #3 Drop 41 (all digits to the right of 2) The answer is 4.2 Other examples: Round 5.18 to tenths The answer is 5.2 Round 0.498 to hundredths The answer is 0.50 Note that adding 1 to 9 gives 10. Write down 0 and put the 1 above 4; Finally add 1 to 4 to get 5. Go to adding decimals for more information. Round 0.04 to tenths The answer is 0.0 Note that we do not add anything to 0 because 4 is less than 5.
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