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 3.8 and 4?

Back

15.2

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. Divide as usual.

Front

What is 4.25 multiplied by 3.1?

Back

13.175

Front

What does it mean to find the cost per item?

Back

Finding the cost per item means dividing the total cost by the number of items to determine how much each item costs.

Front

If Anita pays $20.70 for 18 pages, what is the cost per page?

Back

$1.15

Front

What is the formula to find the total cost of an item based on its weight and price per pound?

Back

Total Cost = Weight (in pounds) x Price per pound.

Front

Big Money Pedro bought a steak weighing 1.4 pounds at $4.50 per pound. How much did he pay?

Back

$6.30

Front

What is the result of dividing 2.34 by 10?

Back

0.234