Understanding Number Bases (Basics)

What number base system is most commonly used in our everyday life? (Ex. This is the system we use in our math classes)

• Base 2

• Base 4

• Base 8

• Base 10

11 011₂ =

• 17₁₀
• 27₁₀
• 33₁₀
• 37₁₀

What digits do we use in our base 10 system?

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

• 1, 2, 3, 4, 5, 6, 7, 8, 9

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Convert 123₄ to base 10?

• 18

• 123

• 27

• 25

What is the value in base 10?

 $\left(101011\right)_2$  

• 45

• 34

• 43

• 86

What are the digits in base 2 (binary number system)?

• 0, 1

• 1, 2

• 0, 1, 2

In any number system what value does the right most position hold?

• 4
• 8
• 1
• 2
• 16

Tags

CCSS.4.NBT.A.1

What does the number 5 (in base 10) convert to in the binary number system?

• 1

• 10

• 100

• 101

What value does the left-most 1 hold in this binary number: 101

• 4
• 1
• 5
• 101
• 100