Review Decimal Notation

Front

What is a decimal number?

Back

A decimal number is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, 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 place value of the digit 7 in the decimal 12.7?

Back

In the decimal 12.7, the digit 7 is in the tenths place.

Front

How do you add decimal numbers?

Back

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

Front

What is the result of adding 0.68 and 12.7?

Back

The result of adding 0.68 and 12.7 is 13.38.

Front

How do you subtract decimal numbers?

Back

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

Front

What is the result of subtracting 2.91 from 29.07?

Back

The result of subtracting 2.91 from 29.07 is 26.16.