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Rounding to a Whole Number
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Rounding to a Whole Number

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  • 1. How to round a decimal number to the nearest whole number For more maths help & free games related to this, visit: www.makemymathsbetter.com
  • 2. First look at the value of the digit in the tenths column 4.7 Has 7 tenths
  • 3. First look at the value of the digit in the tenths column 4.7 Has 7 tenths 5.58 Has 5 tenths
  • 4. First look at the value of the digit in the tenths column 4.7 Has 7 tenths 5.58 Has 5 tenths 3.276 Has 2 tenths
  • 5. First look at the value of the digit in the tenths column 4.7 Has 7 tenths 5.58 Has 5 tenths 3.276 Has 2 tenths 4.3 Has 3 tenths
  • 6. You round down to the nearest whole number if the tenths digit is 0,1,2,3 or 4. 3.2 is rounded down to 3
  • 7. You round down to the nearest whole number if the tenths digit is 0,1,2,3 or 4. 3.2 is rounded down to 3 4.32 is rounded down to 4
  • 8. You round down to the nearest whole number if the tenths digit is 0,1,2,3 or 4. 3.2 is rounded down to 3 4.32 is rounded down to 4 17.158 is rounded down to 17
  • 9. You round down to the nearest whole number if the tenths digit is 0,1,2,3 or 4. 3.2 is rounded down to 3 4.32 is rounded down to 4 17.158 is rounded down to 17 120.06 is rounded down to 120
  • 10. You round down to the nearest whole number if the tenths digit is 0,1,2,3 or 4. 3.2 is rounded down to 3 4.32 is rounded down to 4 17.158 is rounded down to 17 120.06 is rounded down to 120 45.4 is rounded down to 45
  • 11. You round up to the nearest whole number if the tenths digit is 5,6,7,8 or 9. 4.7 is rounded up to 5
  • 12. You round up to the nearest whole number if the tenths digit is 5,6,7,8 or 9. 4.7 is rounded up to 5 5.58 is rounded up to 6
  • 13. You round up to the nearest whole number if the tenths digit is 5,6,7,8 or 9. 4.7 is rounded up to 5 5.58 is rounded up to 6 17.872 is rounded up to 18
  • 14. You round up to the nearest whole number if the tenths digit is 5,6,7,8 or 9. 4.7 is rounded up to 5 5.58 is rounded up to 6 17.872 is rounded up to 18 125.92 is rounded up to 126
  • 15. You round up to the nearest whole number if the tenths digit is 5,6,7,8 or 9. 4.7 is rounded up to 5 5.58 is rounded up to 6 17.872 is rounded up to 18 125.92 is rounded up to 126 46.6 is rounded up to 47
  • 16. Watch out for numbers which have 9 in the units column. e.g. 9.57 If you are rounding up, you will make 10 units. This makes 1 ten, so you have to round to the next ten (in this case to 10).
  • 17. Watch out for numbers which have 9 in the units column. e.g. 9.57 If you are rounding up, you will make 10 units. This makes 1 ten, so you have to round to the next ten (in this case to 10). For the same reason, 29.87 becomes 30
  • 18. Watch out for numbers which have 9 in the units column. e.g. 9.57 If you are rounding up, you will make 10 units. This makes 1 ten, so you have to round to the next ten (in this case to 10). For the same reason, 29.87 becomes 30 19.75 becomes 20
  • 19. Watch out for numbers which have 9 in the units column. e.g. 9.57 If you are rounding up, you will make 10 units. This makes 1 ten, so you have to round to the next ten (in this case to 10). For the same reason, 29.87 becomes 30 19.75 becomes 20 And 459.68 becomes 460
  • 20. That’s it for now...... For more help with your maths, try my book: mastering multiplication tables on amazon.com