Multiplying and Dividing Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 3.14 is a decimal.

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 the rule for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor (the number you are dividing by) to the right until it is a whole number. Move the decimal point in the dividend (the number being divided) the same number of places. Then divide as usual.

Front

What does rounding mean?

Back

Rounding means adjusting a number to a nearby value that is easier to work with, often to a specified place value, such as the nearest tenth.

Front

What is the nearest tenth of 5.69?

Back

The nearest tenth of 5.69 is 5.7.

Front

How do you find the quotient of two decimals?

Back

To find the quotient, divide the first decimal by the second decimal using long division or a calculator.

Front

What is 2.07 ÷ 0.9?

Back

2.07 ÷ 0.9 = 2.3.

Front

If Amber saved $3.20 over 5 weeks, how much did she save each week?

Back

Amber saved $0.64 each week.

Front

What is 3.7 x 0.43?

Back

3.7 x 0.43 = 1.591.

Front

How do you divide a decimal by a whole number?

Back

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