G4 Maths: Composing and Decomposing Decimal numbers

Front

What is the value of the underlined digit in the number 89,079?

Back

The value of the underlined digit 9 is 9000.

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CCSS.4.NBT.A.1

Front

How do you compose the number from its parts: 9000 + 300 + 10 + 8?

Back

The composed number is 9318.

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CCSS.4.NBT.A.2

Front

What is the correct decomposition of the number 288?

Back

The correct decomposition is 200 + 80 + 8.

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CCSS.2.NBT.A.3

Front

What is the correct decomposition of the number 13,345?

Back

The correct decomposition is 10,000 + 3,000 + 300 + 40 + 5.

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CCSS.4.NBT.A.2

Front

What is the sum of 40,000 + 3,000 + 200?

Back

The sum is 43,205.

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CCSS.4.NBT.A.2

Front

What does it mean to decompose a number?

Back

To decompose a number means to break it down into its individual place values.

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CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What are the place values in the number 45,678?

Back

The place values are: 40,000 + 5,000 + 600 + 70 + 8.

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CCSS.4.NBT.A.2

Front

How do you identify the value of a digit in a decimal number?

Back

The value of a digit is determined by its place in the number (units, tens, hundreds, etc.).

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CCSS.5.NBT.A.3A

Front

What is the difference between composing and decomposing numbers?

Back

Composing numbers involves adding parts together to form a whole, while decomposing numbers involves breaking a whole into its parts.

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CCSS.2.OA.A.1

Front

If a number is decomposed as 500 + 20 + 3, what is the original number?

Back

The original number is 523.

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CCSS.2.NBT.A.3