NBT.3a Lesson

NBT.3a Lesson

I can read and write decimals to the thousandths.

Tenths

-When a whole is divided into ten equal parts, each part is one tenth.

-The first place value behind the decimal

-1/10 or 0.1

Multiple Select

Which image below shows tenths?

Multiple Select

Which digit is in the tenths place in 34.29?

• 3

• 4

• 2

• 9

Multiple Select

Which show nine tenths? There may be more than one answer.

• 9

• 0.9

• 0.009

• 9/10

• 9/100

Hundredths

-When a whole is divided into one hundred equal parts, each part is one hundredth.

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-The second place value behind the decimal.

-1/100 or 0.01

Multiple Select

How many hundredths are represented in the image?

• 18

• 0.18

• 0.018

• 0.19

Multiple Select

Which digit is in the hundredths place in 243.978?

• 2

• 7

• 9

• 8

• 3

Multiple Select

Which show twenty-three hundredths? There may be more than one answer.

• 23/10

• 23/100

• 0.23

• 0.023

• 23

Thousandths

-When a whole is divided into one thousand equal parts, each part is one thousandth.

​

-The third place value behind the decimal.

​

-1/1000 or 0.001

Multiple Select

Which digit is in the thousandths place in 3,456.921?

• 3

• 6

• 1

• 2

Multiple Select

Which show nine hundred forty-two thousandths? There may be more than one.

• 942/1000

• 0.942

• 942,000

• 942

• 942/100

Standard Form

Representing a number using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and9.

Multiple Select

Which number is written in standard form?

• 10+7+0.2

• (1 x 10) + (1 x 7) + (2 x 1/10)

• seventeen and two tenths

• 17.2

Multiple Select

• 33.20

• 33.020

• 33.2

• 33.002

Word Form

Representing a number in words; sometimes called number name form.

Multiple Select

Which below is how to write 921 in word form?

• nine hundred twenty

• nine hundred twenty-one thousandths

• nine hundred and twenty-one

• nine hundred twenty-one

Multiple Select

Which below is how to write 143.57 in word form?

• one hundred forty-three and fifty-seven hundredths

• one hundred forty and fifty-seven hundredths

• one hundred forty-three and fifty-six hundredths

• one hundred forty-three and fifty-seven thousandths

Expanded Form

Representing a number using place value.

Multiple Select

Which below is how to write 823 in expanded form?

• (8 x 100) + (2 x 10) +

  (3 x 1)

• (8 x 10) + (2 x 10) +

  (3 x 1)

• (8 x 1000) + (2 x 100) + (3 x 10)

• (2 x 100) + (8 x 10) +

  (3 x 1)

Multiple Select

What is the standard form for (2 x 100) + (3 x 1) + (4 x 1/10) + (5 x 1/100)?

• 203.045

• 230.45

• 203.45

• 302.45

Multiple Select

Choose all the correct ways to represent 8.12.

• (8 x 1) + (1 x 1/10) + (2 x 1/100)

• eight and twenty hundredths

• (8 x 10) + (1 x 1/10) + (2 x 1/100)

• eight and twelve hundredths

Multiple Select

What is 79.2 in word form?

• seven nine and two

• seventy-nine and three tenths

• seventy-nine and two thousandths

• seventy-nine and two tenths

Multiple Select

• 140.29

• 14.29

• 104.09

• 104.29

Poll

Would you rather have a car that...

• goes underwater

• flies

• can turn invisible

• gives you snacks

• goes really, really fast