Adding and Subtracting Decimals

Front

What is the process of adding decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right, carrying over if necessary.

Front

What is the process of subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract each column starting from the right, borrowing if necessary.

Front

Find the difference of 435.2 and 24.55.

Back

410.65

Front

Kelly has $20. She spends $2.15 on a Slurpee and $6.58 on candy. How much money does Kelly have left?

Back

$11.27

Front

21 + 4.09 = ?

Back

25.09

Front

Subtract 9.43 − 3.34.

Back

6.09

Front

7.9 - 3.47 = ?

Back

4.43

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, represented with a decimal point.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to a nearby specified place value, making it simpler to work with.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.