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.

Front

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

Back

The composed number is 9318.

Front

What is the correct decomposition of the number 288?

Back

The correct decomposition is 200 + 80 + 8.

Front

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

Back

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

Front

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

Back

The sum is 43,205.

Front

What does it mean to decompose a number?

Back

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

Front

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

Back

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

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.).

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.

Front

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

Back

The original number is 523.