Decimal Place Value Mastery

Mrs. Parr introduces decimals, explaining their importance in representing values less than one. She discusses the place value system, emphasizing the base 10 structure and how it applies to both whole numbers and decimals. Using a decimal place value chart, she illustrates the concept of tenths, hundredths, and thousandths. The video also covers how to write and say decimals, providing examples to clarify decimal values and their corresponding place values.

Why do we use decimals?

• To represent values greater than one

• To represent values less than one

• To represent whole numbers only

• To simplify fractions

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CCSS.5.NBT.A.2

What happens to the place value when we move one place to the left in a decimal number?

• It is divided by 10

• It is multiplied by 100

• It is multiplied by 10

• It remains the same

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CCSS.5.NBT.A.1

What does moving to the right in a decimal number indicate in terms of place value?

• No change in place value

• Each place is ten times larger

• Each place is ten times smaller

• Each place is hundred times smaller

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CCSS.5.NBT.A.2

What is the purpose of the decimal point in numbers?

• To add aesthetic value to numbers

• To separate thousands from millions

• To separate whole numbers from parts less than one

• To indicate the end of a number

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CCSS.5.NBT.A.3A

Which place value comes immediately after the ones place?

• Tens

• Tenths

• Thousandths

• Hundreds

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CCSS.5.NBT.A.3A

What role does the decimal point play in the number 2517.0?

• Indicates that there are no decimal places

• None of the above

• Shows the end of the number

• Separates the ones place from the tenths

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CCSS.5.NBT.A.3A

What does the 'th' in 'tenths' and 'hundredths' signify?

• It indicates division

• It indicates addition

• It indicates multiplication

• It indicates parts of a whole

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CCSS.4.NF.C.6

How would you write the numerical value of nine tenths?

• 0.9

• 0.09

• 9

• 90

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CCSS.4.NF.C.6

What is the value of the digit 2 in the number 0.652?

• 2 thousands

• 2 ones

• 2 hundredths

• 2 tenths

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CCSS.5.NBT.A.3A

In the number 0.213, what is the place value of the digit 1?

• Thousandths

• Ones

• Hundredths

• Tenths

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CCSS.5.NBT.A.3A