Decimal Multiplication and Division

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points. It involves aligning the numbers, ignoring the decimal points during multiplication, and then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

How do you divide a decimal by a whole number?

Back

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

Front

What is the result of 6 inches divided by 0.32 inches?

Back

The result is 18 full pieces.

Front

How do you find the daily amount when dividing a total by days?

Back

To find the daily amount, divide the total quantity by the number of days. For example, 893.7 pounds of seed divided by 45 days equals 19.86 pounds per day.

Front

What is the total cost of 3 pairs of jeans at $49.95 each and 2 shirts at $24.99 each?

Back

The total cost is $199.83.

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 factors and place the decimal point in the product accordingly.

Front

What is 95.20 divided by 17?

Back

The result is 5.60.

Front

How do you calculate the total fluid ounces Joy drinks if she drinks 4 bottles of 16.5 fluid ounces each?

Back

Multiply the number of bottles (4) by the fluid ounces per bottle (16.5): 4 x 16.5 = 66 fluid ounces.

Front

What is the importance of aligning decimal points in multiplication?

Back

Aligning decimal points ensures that the multiplication is done correctly, and helps in placing the decimal point in the final answer.

Front

What is the first step in dividing decimals?

Back

The first step is to make the divisor a whole number by moving the decimal point to the right, and then moving the decimal point in the dividend the same number of places.