Decimals

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 round a decimal to the nearest hundredth?

Back

To round a decimal to the nearest hundredth, look at the third digit after the decimal point. If it's 5 or greater, round up the second digit; if it's less than 5, keep the second digit the same.

Front

What is the value of 7.9 squared?

Back

7.9 squared (7.9^2) is 62.41.

Front

What is the result of 4.2 × (6.5 − 5.7)?

Back

The result is 4.2 × 0.8 = 3.36.

Front

What is the sum of 7.9^2 and 4.2 × (6.5 − 5.7)?

Back

The sum is 62.41 + 3.36 = 65.77.

Front

How do you subtract decimals?

Back

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

Front

What is 0.835 - 0.423?

Back

0.835 - 0.423 = 0.412.

Front

What is the product of 7.13 and 5.5?

Back

The product is 7.13 × 5.5 = 39.215.

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, 5/100 = 0.05.

Front

What is the decimal equivalent of 5/10?

Back

The decimal equivalent of 5/10 is 0.5.