Decimals

Mathematics

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Decimal number

A number that has a decimal point

Decimal point

The point that separates a whole number with a decimal fraction

Decimal place

The position of the digit to the right after the decimal point

Round off decimal (step 1)

Identify the digit at the rounded decimal place

Round off decimal (step 2)

Look to the digit on the right of the rounded decimal place

Round off decimal (step 3(i))

If the digit is 5 to 9, add 1 to the rounded digit

Round off decimal (step 3(ii))

If the digit is 0 to 4, retain the rounded digit

Round off decimal (step 4)

The digit next to the rounded decimal place becomes 0

Round off decimal (step 5)

Ignore 0

71.4 + 0.336 - 46.25

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