Decimal Addition and Subtraction

Front

What is decimal addition?

Back

Decimal addition is the process of adding numbers that have decimal points, aligning the decimal points to ensure accurate addition.

Front

How do you align decimal numbers for addition?

Back

To align decimal numbers for addition, write the numbers in a column format, ensuring that the decimal points are vertically aligned.

Front

What is the sum of 1.70 and 4.65?

Back

The sum of 1.70 and 4.65 is 6.35.

Front

What is decimal subtraction?

Back

Decimal subtraction is the process of subtracting one decimal number from another, ensuring the decimal points are aligned.

Front

How do you align decimal numbers for subtraction?

Back

To align decimal numbers for subtraction, write the numbers in a column format, ensuring that the decimal points are vertically aligned.

Front

What is the difference between 7.9 and 3.47?

Back

The difference between 7.9 and 3.47 is 4.43.

Front

What is the process to find the difference of two decimal numbers?

Back

To find the difference of two decimal numbers, align the numbers by their decimal points and subtract the smaller number from the larger number.

Front

What is the sum of 7.9 and 18.72?

Back

The sum of 7.9 and 18.72 is 26.62.

Front

How do you handle carrying in decimal addition?

Back

When carrying in decimal addition, if the sum of a column exceeds 9, carry over the extra value to the next column to the left.

Front

What is the difference between 435.2 and 24.55?

Back

The difference between 435.2 and 24.55 is 410.65.