Understanding the Base 10 Number System

The video introduces the base 10 number system, also known as the decimal system, explaining that it uses digits 0 to 9. It describes how the value of a number is determined by the position of its digits, using the example of the number 552. The video further explains how each position is ten times the value of the position to its right. It also covers the concept of decimal places and how values decrease as you move to the right of the decimal point, using fractions to illustrate this concept.

What is another name for the base 10 number system?

• Octal system

• Decimal system

• Hexadecimal system

• Binary system

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How many digits are there in the base 10 number system?

• 12

• 11

• 10

• 9

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In the number 552, what is the value of the digit in the tens place?

• 2

• 500

• 50

• 5

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CCSS.4.NBT.A.1

What is the value of the digit in the hundreds place in the number 552?

• 2

• 5

• 50

• 500

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CCSS.4.NBT.A.1

If you move one place to the left in a number, how does the value change?

• It becomes 10 times larger

• It becomes 5 times larger

• It becomes 100 times larger

• It stays the same

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CCSS.4.NBT.A.2

What is the next place value after hundreds in the base 10 system?

• Tens

• Thousands

• Millions

• Ones

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CCSS.5.NBT.A.3A

In the decimal number 4.22, what is the place value of the first digit after the decimal?

• Hundredths

• Thousandths

• Tenths

• Ones

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How does the value change as you move to the right of the decimal point?

• It becomes 10 times larger

• It becomes 5 times smaller

• It becomes 10 times smaller

• It stays the same

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CCSS.5.NBT.A.1

In the number 4.22, how does the value of the digit in the hundredths place compare to the tenths place?

• It is 10 times larger

• It is 10 times smaller

• It is the same

• It is 5 times smaller

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What does it mean when a digit is 1/10 the value of another digit in the base 10 system?

• It is 10 times larger

• It is 10 times smaller

• It is 5 times larger

• It is the same

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