Exploring Place Value Discs and Expanded Notation

The video tutorial demonstrates how to represent numbers using expanded notation. It begins with an introduction to the concept, followed by a demonstration of using a place value chart. The teacher then shows how to represent the number 7,049 using place value disks, explaining each step in detail. Finally, the video covers how to convert this representation into expanded notation, emphasizing the use of groups and multiplication symbols.

What is the purpose of the activity introduced in the video?

• To learn how to add numbers

• To practice multiplication

• To memorize place values

• To understand expanded notation

What is the first step in representing the number 7,049?

• Typing it into the place value chart

• Drawing it on a board

• Writing it on paper

• Typing it into a calculator

How many thousands are there in the number 7,049?

• 9

• 7

• 0

• 4

How many hundreds are there in the number 7,049?

• 7

• 4

• 9

• 0

How many tens are there in the number 7,049?

• 4

• 7

• 9

• 0

How many ones are there in the number 7,049?

• 7

• 4

• 9

• 0

What is used to cover up unused expressions in the expanded notation?

• Red boxes

• Blue boxes

• White boxes

• Black boxes

How many groups of 1,000 are there in the expanded notation of 7,049?

• 9

• 7

• 0

• 4

How many groups of ten are there in the expanded notation of 7,049?

• 9

• 4

• 7

• 0