Add & Subtract Decimals

Front

What is the process for adding decimals?

Back

To add decimals, align the numbers by the decimal point, add zeros if necessary to make the numbers the same length, and then add each column starting from the right.

Front

What is the process for subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point, add zeros if necessary to make the numbers the same length, and then subtract each column starting from the right.

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 is the value of 0.5 + 0.25?

Back

0.75

Front

What is the value of 1.2 - 0.7?

Back

0.5

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit to the right of the decimal point. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is the sum of 3.45 and 2.1?

Back

5.55

Front

What is the difference between 7.8 and 3.6?

Back

4.2

Front

How do you add multiple decimal numbers together?

Back

To add multiple decimal numbers, align all the numbers by the decimal point and add them column by column.

Front

What is the total cost if three items cost $4.50, $2.75, and $3.25?

Back

$10.50