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 dot (decimal point) separating the whole number from the fractional part.

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 result of 3.7 x 0.43?

Back

1.591

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 and divide as usual.

Front

What is 1.08 ÷ 4?

Back

0.27

Front

What does it mean to find the price per item?

Back

Finding the price per item means dividing the total cost by the number of items to determine the cost of one item.

Front

If a scientist spent $37.95 on 23 packets of hand wipes, how do you find the price of each packet?

Back

Divide the total cost ($37.95) by the number of packets (23) to find the price per packet.

Front

What is the price of each packet if the total cost is $37.95 for 23 packets?

Back

$1.65

Front

What is the total bill if Rosa and three friends ordered lunch for $9.20?

Back

The total bill is $9.20.

Front

How do you find Rosa's share of the total bill?

Back

Divide the total bill ($9.20) by the number of people (4) to find Rosa's share.