Multiplying Decimals

Front

What is the process for multiplying decimals?

Back

To multiply decimals, first multiply the numbers as if they were whole numbers. Then, count the total number of decimal places in both numbers being multiplied. The product should have the same number of decimal places as the total counted.

Front

How do you determine the total cost when buying multiple items at a unit price?

Back

To find the total cost, multiply the quantity of items by the unit price. For example, if you buy 4.6 meters of fabric at $3.57 per meter, the total cost is 4.6 x 3.57.

Front

What is the value of 0.4 multiplied by 7?

Back

0.4 x 7 = 2.8.

Front

How do you calculate the cost of a trip based on distance and price per mile?

Back

Multiply the distance in miles by the price per mile. For example, if the price is $2.25 per mile and the distance is 8.7 miles, the cost is 2.25 x 8.7.

Front

What is the result of multiplying a negative decimal by a positive decimal?

Back

The result will be a negative decimal. For example, -1.4 x 2.3 = -3.22.

Front

What is the significance of decimal places in multiplication?

Back

Decimal places indicate the precision of the numbers. The product's decimal places must match the total decimal places of the factors being multiplied.

Front

How do you round the result of a multiplication involving decimals?

Back

After multiplying, round the result to the desired number of decimal places based on the context of the problem.

Front

What is the product of 7.13 and 5.5?

Back

7.13 x 5.5 = 39.215.

Front

What is the first step in multiplying two decimal numbers?

Back

The first step is to ignore the decimal points and multiply the numbers as if they were whole numbers.

Front

How do you handle multiplication when one of the numbers is a whole number?

Back

Multiply the whole number by the decimal as usual, then place the decimal point in the product according to the number of decimal places in the decimal.