Bridges Unit 3 Flashcard 2 - Decimal Subtraction

Front

What is decimal subtraction?

Back

Decimal subtraction is the process of subtracting one decimal number from another, aligning the decimal points to ensure accurate calculation.

Front

How do you align decimal points when subtracting?

Back

To align decimal points, write the numbers one under the other, ensuring the decimal points are in the same vertical line.

Front

What is the result of 4.321 - 0.789?

Back

3.532

Front

What is the result of 9.452 - 5.678?

Back

3.774

Front

What is the result of 12.345 - 8.976?

Back

3.369

Front

If a recipe calls for 1.5 cups of flour and you have 0.75 cups, how much more do you need?

Back

0.75 cups

Front

If you have 3.75 teaspoons of salt and have added 2.25 teaspoons, how much more should you add?

Back

1.50 teaspoons

Front

What is the importance of borrowing in decimal subtraction?

Back

Borrowing is important in decimal subtraction when the top digit is smaller than the bottom digit in any column, allowing for accurate subtraction.

Front

What is the first step in solving a decimal subtraction problem?

Back

The first step is to write the numbers vertically, aligning the decimal points.

Front

How do you handle zeros in decimal subtraction?

Back

If a zero is in a position where you need to subtract, you may need to borrow from the next left digit.