Decimal Operations

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal representation of 5/10.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the result of 0.355 + 0.877?

Back

1.232

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, divide as you would with whole numbers, and place the decimal point in the quotient directly above the decimal point in the dividend.

Front

What is 0.6 ÷ 5?

Back

0.12

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the result of 7.9 - 3.47?

Back

4.43

Front

How do you multiply decimals?

Back

To multiply decimals, multiply as you would whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is 0.03 x 0.9?

Back

0.027

Front

What is the importance of the decimal point?

Back

The decimal point separates the whole number part from the fractional part in a decimal number, indicating the value of each digit.