Online Self-Tests(B23)

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  1. There are 22 kids in Mr. Roler’s class, 19 kids in Mrs. Tantum’s class, and an unknown number of students in Mrs. Alger’s class. Given that there are 65 students in total from all 3 classes, how many students are in Mrs. Alger’s class?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown decimal.

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  (1point)

  
  

  7.02

  –

  =

  5.29

  
  
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  3. Paul has 18 baseball cards. He receives an additional 30 cards from his friend Jack. Now Jack has 2.5 as many as Paul has now. How many cards does Jack have?

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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		5
  2		3		6

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  5. Determine what makes the equation true.

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  (number, +, –, x, ÷, >, <, or =)

  
  

  +

  (9

  ×

  2)

  =

  24

  
  
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  6. If x ÷ 3 = 2 and y = 2.36, find the value of x – y.

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  (1 point)

  
  

  Answer:

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