Subtracting Decimals (Example)

The video tutorial explains how to subtract decimals using an example of 20.9 minus 9.83. It emphasizes the importance of aligning decimal places and filling in missing place values with zeros. The tutorial walks through the subtraction process step-by-step, including borrowing when necessary, and concludes with the final result of 11.07.

What is the first step in subtracting decimals like 20.9 and 9.83?

• Convert them to fractions.

• Align the decimal points.

• Multiply the numbers.

• Add the numbers directly.

Why do we place zeros in the empty decimal places when subtracting?

• To make the numbers look bigger.

• To help with the alignment of digits.

• To make the subtraction easier.

• To confuse the process.

What do you do when you cannot subtract a smaller digit from a larger one in decimal subtraction?

• Skip the subtraction.

• Add a zero to the smaller digit.

• Borrow from the next higher place value.

• Multiply the smaller digit by 10.

In the subtraction process, what happens after borrowing from the next higher place value?

• The borrowed value is subtracted from the minuend.

• The borrowed value is added to the minuend.

• The borrowed value is added to the subtrahend.

• The subtraction is completed.

What is the final result of subtracting 9.83 from 20.9?

• 11.07

• 11.07

• 11.07

• 10.07