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# Rounding a Number to 1 Decimal Place

## by Chris James on Nov 12, 2010

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## Rounding a Number to 1 Decimal PlacePresentation Transcript

• How to Round a Number to the Nearest Tenth (1 Decimal Place) For more maths help & free games related to this, visit: www.makemymathsbetter.com
• First look at the value of the digit in the hundredths column 4.675 Has 7 hundredths
• First look at the value of the digit in the hundredths column 4.675 Has 7 hundredths 5.85 Has 5 hundredths
• First look at the value of the digit in the hundredths column 4.675 Has 7 hundredths 5.85 Has 5 hundredths 3.7298 Has 2 hundredths
• First look at the value of the digit in the hundredths column 4.675 Has 7 hundredths 5.85 Has 5 hundredths 3.7298 Has 2 hundredths 4.23045 Has 3 hundredths
• You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4. 3.726 is rounded down to 3.7
• You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4. 3.726 is rounded down to 3.7 4.23 is rounded down to 4.2
• You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4. 3.726 is rounded down to 3.7 4.23 is rounded down to 4.2 17.5178 is rounded down to 17.5
• You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4. 3.726 is rounded down to 3.7 4.23 is rounded down to 4.2 17.5178 is rounded down to 17.5 120.60124 is rounded down to 120.6
• You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4. 3.726 is rounded down to 3.7 4.23 is rounded down to 4.2 17.5178 is rounded down to 17.5 120.60124 is rounded down to 120.6 45.44008 is rounded down to 45.4
• You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9. 4.67 is rounded up to 4.7
• You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9. 4.67 is rounded up to 4.7 5.8577 is rounded up to 5.9
• You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9. 4.67 is rounded up to 4.7 5.8577 is rounded up to 5.9 17.7802 is rounded up to 17.8
• You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9. 4.67 is rounded up to 4.7 5.8577 is rounded up to 5.9 17.7802 is rounded up to 17.8 125.29 is rounded up to 125.3
• You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9. 4.67 is rounded up to 4.7 5.8577 is rounded up to 5.9 17.7802 is rounded up to 17.8 125.29 is rounded up to 125.3 46.36445 is rounded up to 46.4
• Watch out for numbers which have 9 in the tenths column. e.g. 2.97 If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3).
• Watch out for numbers which have 9 in the tenths column. e.g. 2.97 If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3). For the same reason, 23.964 becomes 24
• Watch out for numbers which have 9 in the tenths column. e.g. 2.97 If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3). For the same reason, 23.964 becomes 24 12.9505 becomes 13
• Watch out for numbers which have 9 in the tenths column. e.g. 2.97 If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3). For the same reason, 23.964 becomes 24 12.9505 becomes 13 And 6.98 becomes 7
• Thatâ€™s it for now...... For more help with your maths, try my book: mastering multiplication tables on amazon.com