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

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 points when adding or subtracting?

Back

When adding or subtracting decimals, write the numbers one under the other, aligning the decimal points vertically.

Front

What is the sum of 18.11 and 17.65?

Back

35.76

Front

What is the sum of 96.54 and 82.333?

Back

178.873

Front

What is the sum of 5.4 and 6.4?

Back

11.8

Front

What is the difference when you subtract 55.38 from 98.562?

Back

43.182

Front

What is the sum of 45.17 and 96.09?

Back

141.26

Front

What is the importance of zero in decimal addition?

Back

Zero acts as a placeholder in decimal addition, ensuring that the values are correctly aligned and calculated.

Front

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

Back

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