Adding Decimals

Adding Decimals

Assessment

Interactive Video

Mathematics

4th Grade - University

Hard

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Mr. Added explains the importance of aligning decimals in addition through various shopping examples. He initially makes a mistake by not aligning decimals, leading to an incorrect total. The video covers the correct method of aligning decimals, using place value charts, and adding zeros as placeholders. Several examples, including buying socks, a shirt, and bakery items, illustrate the process. The video emphasizes the importance of careful calculation and decimal alignment.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What process did the teacher follow to add the decimals correctly?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the total cost of the treats Sarah wants to buy?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to line up decimals when adding numbers?

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