Adding Decimals Concepts and Techniques

The video tutorial explains how to add decimals by aligning place values correctly. It emphasizes the importance of lining up the decimal points and using zeros as placeholders for missing digits. The tutorial walks through the process of adding 0.2 and 0.71, demonstrating each step clearly to arrive at the final answer of 0.91.

What is the first step to take when adding two decimal numbers?

• Add the numbers directly.

• Align the decimal points.

• Convert them to fractions.

• Round them to the nearest whole number.

Why is it important to add zeros in empty decimal places?

• To avoid confusion during addition.

• To make the numbers look bigger.

• To ensure the numbers have equal length.

• To make the calculation faster.

What is the result of adding 0.2 and 0.71?

• 0.92

• 0.72

• 0.89

• 0.91

When adding decimals, what should you do with the decimal point?

• Ignore it.

• Move it to the right.

• Move it to the left.

• Bring it straight down.

What is the sum of 0.2 and 0.71 when the decimal points are aligned correctly?

• 0.91

• 0.81

• 0.61

• 0.71