Adding 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 align decimals when adding?

Back

You align decimals by writing the numbers one above the other so that the decimal points are in the same vertical line.

Front

What is the sum of 6.7 and 0.9?

Back

The sum of 6.7 and 0.9 is 7.6.

Front

What is the sum of 7.87 and 3.6?

Back

The sum of 7.87 and 3.6 is 11.47.

Front

How do you add a whole number to a decimal?

Back

To add a whole number to a decimal, you can write the whole number as a decimal (e.g., 4 as 4.0) and then align the decimal points before adding.

Front

What is the sum of 31.5 and 6.24?

Back

The sum of 31.5 and 6.24 is 37.74.

Front

What is the sum of 0.61 and 0.7?

Back

The sum of 0.61 and 0.7 is 1.31.

Front

What is the importance of carrying over in decimal addition?

Back

Carrying over is important in decimal addition to ensure that the value of the sum is accurate when the sum of a column exceeds 9.

Front

What is the sum of 4.7 and 1.8?

Back

The sum of 4.7 and 1.8 is 6.5.

Front

What should you do if the numbers have different decimal places?

Back

If the numbers have different decimal places, you can add zeros to the end of the shorter number to make them the same length before adding.