Podcast
Questions and Answers
Which number system do we use in math?
Which number system do we use in math?
How many symbols do we use in the base 10 number system?
How many symbols do we use in the base 10 number system?
What does the digit '0' represent in the base 10 number system?
What does the digit '0' represent in the base 10 number system?
Which country uses a comma every three number places to make it easier to identify the thousands and millions place?
Which country uses a comma every three number places to make it easier to identify the thousands and millions place?
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What does the digit '5' represent if it is in the tens place?
What does the digit '5' represent if it is in the tens place?
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What is the expanded form of the number 324?
What is the expanded form of the number 324?
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What is the expanded form of the number 6,715?
What is the expanded form of the number 6,715?
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Which number place is used to count individual apples one at a time?
Which number place is used to count individual apples one at a time?
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What is the maximum number that can be represented using the ones and tens place?
What is the maximum number that can be represented using the ones and tens place?
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What is the name of the number place that represents groups of one-hundred?
What is the name of the number place that represents groups of one-hundred?
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What is the pattern for the number places in the base 10 system?
What is the pattern for the number places in the base 10 system?
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Study Notes
Number Systems
- We use the base 10 number system in math.
Base 10 Number System
- The base 10 number system uses 10 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
- In the base 10 number system, the digit '0' represents the concept of "nothing" or the absence of quantity.
International Representation
- In some countries, a comma is used every three number places to separate thousands and millions places.
Place Value
- If the digit '5' is in the tens place, it represents 5 tens or 50.
- The ones place is used to count individual items one at a time, such as counting individual apples.
- The maximum number that can be represented using the ones and tens place is 99.
Expanded Form
- The expanded form of the number 324 is 300 + 20 + 4.
- The expanded form of the number 6,715 is 6,000 + 700 + 10 + 5.
Number Places
- The number place that represents groups of one-hundred is called the hundreds place.
- The pattern for the number places in the base 10 system is: ones, tens, hundreds, thousands, ten-thousands, and so on.
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Description
Test your knowledge of place value in the base 10 number system with this quiz! See if you can identify the value of digits in different positions and understand how our basic number system works.
