Add and Subtract Decimals

Front

What is the process of adding decimals?

Back

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

Front

How do you subtract decimals?

Back

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

Front

What is the value of 0.6 in fraction form?

Back

0.6 is equivalent to 6/10 or simplified to 3/5.

Front

What is the importance of aligning decimal points when performing addition or subtraction?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100 and add a percent sign.

Front

What is the sum of 55.78 and 4.6?

Back

The sum of 55.78 and 4.6 is 60.38.

Front

If City A received 3.74 inches of rain and City B received 9.8 inches, what is the total rainfall?

Back

The total rainfall is 13.54 inches.

Front

What is the result of 94 - 4.8?

Back

The result of 94 - 4.8 is 89.2.

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number, ensuring the decimal points are aligned.

Front

If students collected 172.3 pounds of food in week one and 238 pounds in week five, how much more did they collect in week five?

Back

They collected 65.7 pounds more in week five.