Rounding off decimal fractions can also be rounded off to the nearest one to one place of decimal or to two places of decimals or as is required.

**(i)** 32.2 can be rounded off 32

**(ii)** 46.8 can be rounded off 47**(iii)** 188.9 can be rounded off 189

**(iv)** 59.1 can be rounded off 59

**(v)** 170.2 can be rounded off 170

Sally
bought a pair of shoes; the cost of a pair of shoes would probably read
as $ 249.95. But she paid $ 250, i.e., $ 249.95 has been rounded off to
$ 250.

Kelly bought a pair of shirts; the cost of a pair of
shirts would probably read as $ 143.22. But she paid $ 143, i.e., $
143.22 has been rounded off to $ 143.**Nearest 1**

While rounding off a decimal fraction to the nearest one, if
the digit in the tenths place is < 5 then the tenths place and the
entire following place replace by 0. If the tenths place is equal to or
> 5 then the digit in the ones place is increased by 1 and all digits
after the decimal are reduced to 0.

Examples on rounding to the nearest ones:

**(i)** 49.37 → 49.00

We see the digit in the tenths place is 3 round to the nearest whole number which is smaller than the given decimal number. Since 3 < 5 then the decimal number is rounded to 49.00.

**(ii)** 96.872 → 97.00

If the digit in the tenths place is 8 round to the nearest whole number which is greater than the given decimal number. Since 8 > 5 then the decimal number is rounded to 97.00.

**(iii)** 67.437 → 67.000

We see the digit in the tenths place
is 4 round to the nearest whole number which is smaller than the given
decimal number. Since 4 < 5 then the decimal number is rounded to 67.000.**(iv)** 9.909 → 10.000

If the digit in the tenths place is 9 round to the nearest whole number which is greater than the given decimal number. Since 9 > 5 then the decimal number is rounded to 10.000.

**(v)** 490.651 → 491.000

If the digit in the tenths place is 6 round to the nearest whole number which is greater than the given decimal number. Since 6 > 5 then the decimal number is rounded to 491.000.

**(vi)** 2492.201 → 2492.000

We see the digit in the tenths place
is 2 round to the nearest whole number which is smaller than the given
decimal number. Since 2 < 5 then the decimal number is rounded to 2492.000.

Note: Remember, to round off decimal numbers to the nearest ones (or units place), look at the digit in the tenths place.

Rounding off Decimal Fractions.

Worksheet on Rounding off number.

**5th Grade Numbers Page**

**5th Grade Math Problems **

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