Add & Subtract Decimals Flashcard

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 total screen time if Brooklyn spends 11.03 hours listening to music, 2.67 hours reading, and 0.90 hours playing games?

Back

14.60 hours.

Front

What is the value of 0.9 in decimal form?

Back

0.9 is equivalent to 0.90.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

Front

What is the place value of the digit 3 in the number 12.34?

Back

The digit 3 is in the tenths place.

Front

What is the place value of the digit 4 in the number 12.34?

Back

The digit 4 is in the hundredths place.

Front

If you add 0.25 and 0.75, what is the result?

Back

1.00.

Front

If you subtract 0.50 from 1.00, what is the result?

Back

0.50.