Multiplying and Dividing Decimals in Word Problems

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there are no decimals, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is the process for dividing a decimal by a whole number?

Back

To divide a decimal by a whole number, divide as if there are no decimals, then place the decimal point in the quotient directly above the decimal point in the dividend.

Front

How do you find the cost of one item when given the total cost and quantity?

Back

To find the cost of one item, divide the total cost by the number of items.

Front

If a dozen roses cost $29.88, how do you find the cost of one rose?

Back

Divide $29.88 by 12 to find the cost of one rose.

Front

What is the formula for calculating total cost from unit price and quantity?

Back

Total Cost = Unit Price × Quantity.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting it to a nearby value that is simpler, often to a certain number of decimal places.

Front

How do you calculate earnings from hourly pay?

Back

To calculate earnings from hourly pay, multiply the hourly rate by the number of hours worked.

Front

What is the importance of estimating in multiplication and division?

Back

Estimating helps to quickly assess if an answer is reasonable before calculating the exact answer.