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. For example, 3.14 is a decimal.

Front

How do you round a decimal to the nearest tenth?

Back

To round a decimal to the nearest tenth, look at the hundredths place. If it is 5 or greater, round up the tenths place by one. If it is less than 5, keep the tenths place the same.

Front

What is the sum of 12.5 and 3.2?

Back

12.5 + 3.2 = 15.7

Front

What is the difference between 10.5 and 4.2?

Back

10.5 - 4.2 = 6.3

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 answer 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 answer directly below the other decimal points.

Front

What is the value of 0.75 in fraction form?

Back

0.75 is equal to 3/4 in fraction form.

Front

What is the place value of the digit 6 in the number 4.678?

Back

In the number 4.678, the digit 6 is in the tenths place.

Front

What is the result of 5.5 - 2.3?

Back

5.5 - 2.3 = 3.2

Front

If you have $20.00 and spend $7.50, how much do you have left?

Back

$20.00 - $7.50 = $12.50