Review Decimal Notation

Front

What is decimal notation?

Back

Decimal notation is a way of expressing numbers that includes a decimal point to separate the whole number part from the fractional part.

Front

What does the decimal point represent in a number?

Back

The decimal point separates the whole number part from the fractional part in decimal notation.

Front

How do you convert a fraction to decimal notation?

Back

To convert a fraction to decimal notation, divide the numerator by the denominator.

Front

What is the decimal equivalent of 1/2?

Back

The decimal equivalent of 1/2 is 0.5.

Front

What is the decimal equivalent of 3/4?

Back

The decimal equivalent of 3/4 is 0.75.

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit to the right of the decimal point. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is the decimal representation of 0.46?

Back

0.46 is already in decimal representation, where 46 is the hundredths place.

Front

How do you add two decimals?

Back

To add two decimals, align the decimal points and add as you would whole numbers, carrying over if necessary.

Front

What is the result of adding 2.9 and 4.2?

Back

The result of adding 2.9 and 4.2 is 7.1.

Front

How do you subtract decimals?

Back

To subtract decimals, align the decimal points and subtract as you would whole numbers, borrowing if necessary.