Form 2 In class assessment

What kind of 'base' system is binary known as?

• Base 12

• Base 8

• Base 2

• Base 10

If a binary number ends with a 1, it must be...

• An odd number
• An even number
• A prime number
• The number 12

11 011₂ =

• 17₁₀
• 27₁₀
• 33₁₀
• 37₁₀

What is the value of digit 2, in base ten, in the number 4231₅?

• 50
• 100
• 200
• 250

Convert 4223₅ to a number in base ten.

Write the improper fraction as a mixed number

²³/₅

• 4 ³/₅

• 4 ⁵/₃

• 5 ³/₄

• 4 ³/₄

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

Compare fractions

7/8______9/10

• <

• >

• =

• 3  2/7
• 4  ⁴/₇
• ⁵⁷/₉
• 5  ¹/₂