Online Self-Tests(B32)

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  1. Roger had 78 balloons but gave 20 away. Then he acquired 3/4 as many balloons as he gave away. How many balloons does Roger have now?

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  (1 point)

  
  

  Answer:

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  2. Determine the unknown decimal.

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  (1point)

  
  

  1.6

  +

  =

  2.8

  
  
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  3.In a gumball machine, there are 15 gumballs when it is 3/5 full. How many gumballs are there in 4 full gumball machines?

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  (1 point)

  
  

  Answer:

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  4. Determine the unknown sign.

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  (number, +, –, x, ÷, >, <, or =)

  
  

  1	+	2		2
  4		8		4

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  5. Determine the value that makes the equation true.

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  (number, +, –, x, ÷, >, <, or =)

  
  

  –

  (2

  ×

  2)

  =

  5

  
  
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  6. If 6 – x = 3 and y = 2.5, find the value of x – y.

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  (1 point)

  
  

  Answer:

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