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

What is the sum of 1.70 + 4.65?

Back

6.35

Front

What is the result of 94 - 4.8?

Back

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, aligning the decimal points.

Front

Colleen paid $3.20 for a magazine and $5.80 for a book. How much more did the book cost than the magazine?

Back

$2.60

Front

What is the result of 9.43 - 3.34?

Back

6.09

Front

Find the difference of 435.2 and 24.55.

Back

410.65

Front

What is the importance of aligning decimal points in addition and subtraction?

Back

Aligning decimal points ensures that each digit is added or subtracted from the correct place value, leading to accurate results.

Front

What is a decimal point?

Back

A decimal point is a dot used to separate the whole number part from the fractional part in a decimal number.