Operations with Decimals

Front

What is the formula to calculate total earnings from multiple jobs?

Back

Total Earnings = (Hourly Rate of Job 1 x Hours Worked at Job 1) + (Hourly Rate of Job 2 x Hours Worked at Job 2) - Expenses.

Front

How do you find the difference between two decimal numbers?

Back

Subtract the smaller decimal from the larger decimal.

Front

What is the product of 0.9 and 2.7?

Back

0.9 x 2.7 = 2.43.

Front

How do you estimate the product of a decimal and a whole number?

Back

Round the decimal to the nearest tenth or whole number, then multiply.

Front

What is the result of subtracting two decimal numbers?

Back

To subtract decimals, align the decimal points and subtract as you would with whole numbers.

Front

What is the value of 0.6 multiplied by 7?

Back

0.6 x 7 = 4.2.

Front

How do you calculate the total time spent on two activities?

Back

Add the time spent on each activity together.

Front

What is the importance of rounding in decimal operations?

Back

Rounding helps simplify calculations and provides an estimate that is easier to work with.

Front

What is the difference between 67.2 minutes and 59.8 minutes?

Back

67.2 - 59.8 = 7.4 minutes.

Front

How do you handle expenses when calculating net earnings?

Back

Subtract total expenses from total earnings to find net earnings.