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

Estimate the sum of 3.11, 8.99, 4.59, and 0.78.

Back

$18

Front

Calculate: 418 - 19.21.

Back

398.79

Front

What is the exact cost of 3.11 + 8.99 + 4.59 + 0.78?

Back

$17.47

Front

If Blakely has $5.64 and finds $1.71, how much does she have now?

Back

$7.35

Front

Ella bought a scarf for $5.99 and gloves for $2.49. How much did she spend?

Back

$8.48

Front

What is the importance of estimating in decimal addition?

Back

Estimating helps to quickly assess if the final answer is reasonable and can save time in calculations.

Front

How do you align decimal points when adding or subtracting?

Back

Write the numbers in a column, ensuring the decimal points are vertically aligned.

Front

What is the sum of 0.5 and 0.75?

Back

1.25