Adding and Subtracting Decimals

Front

What is the process of adding decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right, carrying over if necessary.

Front

What is the process of subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract each column starting from the right, borrowing if necessary.

Front

How do you align decimals when adding or subtracting?

Back

You align the decimal points vertically so that the digits in each place value (ones, tenths, hundredths, etc.) are in the same column.

Front

What is the value of 0.8 in terms of tenths?

Back

0.8 is equivalent to 8 tenths.

Front

What is the value of 2.496 in terms of thousandths?

Back

2.496 is equivalent to 2 whole numbers, 4 tenths, 9 hundredths, and 6 thousandths.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100) and simplify if possible.

Front

What is the result of 7.05 - 4.6?

Back

The result is 2.45.

Front

What is the result of 2.98 + 5.3?

Back

The result is 8.28.

Front

What is the result of 10.5 - 0.8?

Back

The result is 9.7.

Front

What is the result of 2.496 - 1.672?

Back

The result is 0.824.