NBT.1 Lesson

NBT.1 Lesson

I can describe the relationship between two place-value operations.

Vocabulary

• Place Value: The value of a digit depending on its place in a number.

• Tenth: If one whole is divided into ten parts, one of the ten parts is one tenth or 1/10.

• Hundredth: If one whole is divided into 100 parts, one of the hundred parts is one hundredth or 1/100.

• Thousandth: If one whole is divided into 1,000 parts, one of the thousand parts is one thousandth or 1/1000.

• Decimal Point: A point between a whole number and a decimal fraction.

Multiple Select

What is the value of the underlined digit? 845.3

• 40

• 4

• 400

• 0.4

Multiple Select

What is the value of the underlined digit? 4,821.3

• 30

• 3

• 3,000

• 0.3

Multiple Select

What place value is the underlined digit in? 629.37

• hundreds

• hundredths

• tenths

• ones

Multiple Select

What place value is the underlined digit in? 5,924.84

• hundreds

• thousandths

• thousands

• tens

Multiple Select

What place value is the underlined digit in? 572,231.7

• hundred thousands

• thousandths

• thousands

• tens

Multiple Select

Which numbers have a 2 in the tens place?

• 428.1

• 2,491

• 8,921.013

• 25

Base Ten System

-It uses place value and a decimal point to separate whole numbers from decimal fractions

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-Each place to the right is 10 times greater than the place to the left.

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-Each place to the left is 1/10 of the place to the right.

Multiple Select

Which number is 10 times greater than 50?

• 5

• 500

• 5,000

• 50,000

Multiple Select

Which number is 10 times greater than 3?

• 3

• 30

• 300

• 3,000

Multiple Select

Which number is 1/10 of 20?

• 2

• 200

• 2,000

• 0.2

Multiple Select

Which number is 1/10 of 7?

• 7,000

• 700

• 70

• 0.7

Multiple Select

Which 4 has the greatest value?

• 3,465

• 4.216

• 94

• 4,621

Compare the 1s

• A. The value of the 1 in 71,890 is 1,000

  ​

• B. The value of the 1 in 712,890 is 10,000

Multiple Select

1,000 is __________ 10,000

• 10 times greater than

• 1/10 of

Compare the 1s

• A. The value of the 1 in 9,613 is 10

  ​

• B. The value of the 1 in 1.973 is 1

Multiple Select

10 is __________ 1

• 10 times greater than

• 1/10 of

Compare the 5s

• A. The value of the 5 in 17.54 is 0.5

  ​

• B. The value of the 5 is 0.05

Multiple Select

0.5 is __________ 0.05

• 10 times greater than

• 1/10 of

Multiple Select

Which number has a 5 that is 10 times greater than the 5 in 583?

Hint: the 5 in 583 is worth 500, so what would be 10 times greater than 500?

• 456

• 5,823

• 59,812

• 705

Multiple Select

Which number has a 2 that is 10 times greater than the 2 in 902?

Hint: the 2 in 902 is worth 2, so what would be 10 times greater than 2?

• 7.2

• 9,234

• 26

• 211

Multiple Select

Which number has a 7 that is 1/10 of the 7 in 783?

Hint: the 7 in 783 is worth 700, so what would be 1/10 of 700?

• 971

• 712

• 7,988

• 6.7

Multiple Select

Which number has a 1 that is 1/10 of the 1 in 61?

Hint: the 1 in 61 is worth 1, so what would be 1/10 of 1?

• 1,930

• 142

• 13

• 4.1

Poll

Would you rather...

• Read all day long

• Do math all day long

• Study maps all day long

• Do science experiments all day long