Adding and Subtracting Decimals

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 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 value of the digit in the tenths place in the number 4.56?

Back

The value of the digit in the tenths place is 5.

Front

What is the value of the digit in the hundredths place in the number 7.89?

Back

The value of the digit in the hundredths place is 9.

Front

If you have $50.00 and spend $12.75, how much do you have left?

Back

You have $37.25 left.

Front

What is the result of 5.5 + 2.3?

Back

The result is 7.8.

Front

What is the result of 10.0 - 3.25?

Back

The result is 6.75.

Front

How do you round 3.67 to the nearest whole number?

Back

3.67 rounded to the nearest whole number is 4.

Front

What is the sum of 1.2 and 3.45?

Back

The sum is 4.65.