Add and 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. For example, 2.5 is a decimal.

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 2 - 0.43?

Back

1.57

Front

What is the sum of 34.14 and 43.14?

Back

77.28

Front

If Michael buys a toy for $17.52 and pays with $20.00, how much change does he get?

Back

$2.48

Front

If you earn $8 and spend $5.55 on a toy and $1.05 on a candy bar, how much money do you have left?

Back

$1.40

Front

What is the result of 7.9 - 3.47?

Back

4.43

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler, often to a certain number of decimal places.

Front

What is the place value of the digit 5 in the number 3.45?

Back

The place value of 5 in 3.45 is in the hundredths place.