Understanding Number Systems

The video revisits basic number concepts, focusing on the base 10 system and its place values. It introduces the idea of different number systems, particularly base 2 (binary), and explains how to count and represent numbers using only two digits, 0 and 1. The video also covers converting numbers from base 2 to base 10, highlighting the differences in place values between the two systems.

What is the primary reason we use a base 10 number system?

• It is the oldest known system.

• It is based on the number of fingers humans have.

• It is the most efficient system.

• It is the easiest to learn.

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CCSS.4.NBT.A.1

In a base 10 system, what does the digit '5' represent in the number 256?

• 5 hundreds

• 5 tens

• 5 thousands

• 5 ones

How many unique digits are used in a base 2 number system?

• Three

• Four

• Two

• Ten

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CCSS.2.NBT.A.3

In base 2, what does the number '10' represent?

• Ten

• Two

• Three

• Four

What is the base 10 equivalent of the base 2 number '1010'?

• 15

• 12

• 5

• 10

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CCSS.2.NBT.A.3

In base 2, what does the number '111' represent in base 10?

• 5

• 6

• 7

• 8

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CCSS.2.NBT.A.3

What is the base 2 representation of the base 10 number '8'?

• 1110

• 1100

• 1010

• 1000

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CCSS.2.NBT.A.3

How do you represent the number '5' in base 2?

• 101

• 110

• 111

• 100

What is the base 10 equivalent of the base 2 number '1001'?

• 9

• 10

• 8

• 7

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CCSS.2.NBT.A.3

In base 2, what does the number '100' represent in base 10?

• 2

• 3

• 4

• 5

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CCSS.2.NBT.A.3