Multiplying and Dividing 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 that represents 5/10.

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 product of 0.6 and 0.91?

Back

0.546

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, then move the decimal point in the dividend the same number of places to the right. Divide as usual.

Front

What is 1.2 divided by 4?

Back

0.3

Front

What is the cost of cleaning 4 dresses at $1.79 each and 1 suit at $8.25?

Back

$15.41

Front

What is the cost of renting a bike for 5.5 hours at $3.95 per hour?

Back

$21.73

Front

How much ribbon does Mia use for each bow if she has 30.5 yards for 5 bows?

Back

6.1 yards

Front

What is the importance of place value in decimals?

Back

Place value determines the value of a digit based on its position in a number. In decimals, it helps in understanding the size of numbers and performing operations accurately.

Front

What is the relationship between multiplication and division of decimals?

Back

Multiplication and division of decimals are inverse operations. Multiplying two decimals gives a smaller number, while dividing a decimal by another decimal can give a larger or smaller number depending on the values.