Conventional Rounding Rules Conventional Rounding Rules - - PowerPoint PPT Presentation

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Conventional Rounding Rules Conventional Rounding Rules Conventional Rounding Rules Conventional Rounding Rules

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Rounding to one decimal Rounding to one decimal place place

• if a fraction is > 5,

if a fraction is > 5, round it up round it up e.g., 6.4 e.g., 6.46 6 = > 6. = > 6.5 5 7.5 7.59 9 = > 7. = > 7.6 6

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Rounding to one decimal Rounding to one decimal place place

• if a fraction is < 5,

if a fraction is < 5, round it down round it down e.g., 6.4 e.g., 6.44 4 = > 6. = > 6.4 4 7.5 7.52 2 = > 7. = > 7.5 5

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• if a fraction is = 5

if a fraction is = 5 . it is recommend to . it is recommend to round it round it up to even value up to even value : : e.g., 6. e.g., 6.3 35 = > 6.4 5 = > 6.4 6. 6.4 45 = > 6.4 5 = > 6.4 . I t is more common or . I t is more common or acceptable to acceptable to round it up round it up e.g., 6.4 e.g., 6.45 5 = > 6.5 ; = > 6.5 ;

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• if a fraction is > / = 5,

if a fraction is > / = 5, round it up round it up

• if a fraction is < 5,

if a fraction is < 5, round it down round it down

Conclusion Conclusion