Online Self-Tests(A14)

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  1. There are 43 libraries and 15 recreation centers in a city. What is half the number of all the libraries and recreation centers combined?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown decimal.

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  (1point)

  
  

  0.45

  +

  =

  0.9

  
  
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  3. If Humphrey swims laps at a 21-foot long pool, how many feet has he swum if he takes 23 laps. One lap is swimming down and back the length of the pool.

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  (1 point)

  
  

  Answer:

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  4. Determine the unknown sign.

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  (number, +, –, x, ÷, >, <, or =)

  
  

  1	+	1		1
  3		4		2

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  5. Determine the value that makes the equation true.

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  (number, +, –, x, ÷, >, <, or =)

  
  

  –

  (5

  ×

  2)

  =

  5

  
  
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  6. If 3 – x = 1 and y = 1, find the value of x – y.

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  (1 point)

  
  

  Answer:

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