Place value for decimals greater than one (examples) | 4th grade | Khan Academy | Summary and Q&A

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September 11, 2015
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Khan Academy
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Place value for decimals greater than one (examples) | 4th grade | Khan Academy

TL;DR

The video explains how to interpret decimal values and perform operations involving tenths and hundredths.

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Questions & Answers

Q: How can you determine the shaded area in a diagram divided into tenths?

The shaded area represents 1 and 1 tenth. This can also be viewed as 11 tenths since all tenths are shaded.

Q: How do you locate a point on a number line divided into tenths and convert it into decimal form?

Counting the tenths along the number line helps determine the decimal value. For example, 1 and 8 tenths would be written as 1.8.

Q: How do you write a decimal equivalent to a given number of tenths?

To convert tenths to a decimal, divide the number of tenths by 10. For example, 24 tenths would be written as 2.4.

Q: What is the decimal representation of 102 hundredths?

102 hundredths is equal to 1.02, as 100 hundredths is equivalent to 1 and 2 hundredths is written as 0.02.

Summary & Key Takeaways

  • The video demonstrates how to determine the shaded area in a diagram divided into tenths and identify its representation in numerical form.

  • It explains how to locate a point on a number line divided into tenths and convert it into decimal form.

  • The video also provides examples of writing decimals in different forms and converting tenths and hundredths into decimal values.

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