3.2A Compose and Decompose Numbers

Front

What does it mean to compose a number?

Back

To compose a number means to combine smaller numbers or parts to create a larger number.

Front

What does it mean to decompose a number?

Back

To decompose a number means to break down a larger number into smaller parts or numbers.

Front

What is the value of the number 344?

Back

The value of 344 is three hundreds, four tens, and four ones.

Front

How can you represent the number 27,300 using addition?

Back

27,300 can be represented as 27,000 + 300.

Front

What is a two-digit number? Give an example.

Back

A two-digit number is a number that has two places, such as 25 or 99.

Front

If the ones digit is 5 and the tens digit is 3 less, what is the number?

Back

The number is 25.

Front

What does the term 'place value' mean?

Back

Place value refers to the value of a digit based on its position in a number.

Front

What is the value of 832 in terms of hundreds, tens, and ones?

Back

832 is eight hundreds, three tens, and two ones.

Front

Which of the following does NOT equal 112: 100 + 12, 110 + 2, 120 - 8, or 100 + 10 + 2?

Back

120 - 8 does NOT equal 112.

Front

What is the value of 20,000 + 7,300?

Back

The value is 27,300.