Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (.) to separate the whole number from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the sum of 2.98 and 5.3?

Back

8.28

Front

What is the difference between 50 and 8.32?

Back

41.68

Front

What is the result of 86.04 + 4.04?

Back

90.08

Front

What is the difference between 27.96 and 16.2?

Back

11.76

Front

If Jeff had $58.90 and withdrew $25.00, how much does he have left?

Back

$33.90

Front

What does it mean to 'withdraw' money?

Back

To withdraw money means to take money out of a bank account.

Front

What is the place value of the digit 3 in the number 5.63?

Back

The place value of the digit 3 in 5.63 is 'three hundredths' or 0.03.