How to Add Decimal Numbers

How to Add Decimal Numbers

Assessment

Interactive Video

Mathematics, Science

10th Grade - University

Hard

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The video tutorial explains how to add decimal numbers by aligning decimal points and place values. It provides two examples: adding 8.2 and 3.46, and adding 12.974 and 5.3. The tutorial emphasizes the importance of aligning decimal points and adding zeros for clarity. It also highlights common mistakes, such as misaligning numbers, which can lead to incorrect answers.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of adding decimal numbers as explained in the video.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final answer when adding 8 2/10 and 3 and 46 hundredths?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What mistake do students often make when rewriting decimal addition problems in vertical format?

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