Decimals with All 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 that represents 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 value of 0.1 in cents?

Back

0.1 in cents is 10 cents.

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 the result of 4.5 + 2.3?

Back

The result of 4.5 + 2.3 is 6.8.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is 0.75 multiplied by 4?

Back

0.75 multiplied by 4 is 3.0.

Front

What is the process to 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 5.6 - 2.4?

Back

5.6 - 2.4 equals 3.2.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.