Exploring the Basics of Decimals

What is the base number of our number system?

• 10

• 100

• 5

• 20

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CCSS.2.NBT.A.1B

What does the number 356 consist of in the base-10 system?

• 3 hundreds, 5 tens, 6 ones

• 3 tens, 5 hundreds, 6 ones

• 356 ones

• 35 tens and 6 ones

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CCSS.5.NBT.A.2

What is the significance of the base-10 number system in our daily life?

• It is used for time measurement

• It is the foundation of digital technology

• It simplifies mathematical calculations

• All of the above

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many tiny pieces is 1 divided into to represent one hundredth?

• 1

• 10

• 100

• 1000

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CCSS.4.NF.C.6

What fraction represents one-tenth in decimal form?

• 10

• 1.0

• 0.01

• 0.1

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CCSS.5.NBT.A.3A

What symbol is used to separate ones and tenths in decimal numbers?

• Comma

• Slash

• Semicolon

• Decimal point

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CCSS.6.NS.B.3

What was Usain Bolt's time for running 100 meters in decimal form?

• 8.59 seconds

• 9.85 seconds

• 8.95 seconds

• 9.58 seconds

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CCSS.5.NBT.A.3A

Why is it important to write the zero in the tenths column for the number 12.06?

• To make the number larger

• To differentiate it from 12.6

• It is not important

• To show that there are no tenths

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CCSS.5.NBT.A.3A

How is the number 12.06 composed in terms of ones, tenths, and hundredths?

• 12 tens, 6 ones

• 12 ones, 0 tenths, 6 hundredths

• 1 one, 2 tenths, 6 hundredths

• 120 ones, 6 tenths

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CCSS.3.OA.D.9

What happens to the number 9 when you divide 900 by 10?

• It disappears

• It becomes 90

• It doubles

• It moves to the left

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CCSS.3.OA.D.9