Missing Operations

Each red box represents a missing operation (+, -, x or รท)
Can you find what they are?

(27 o 20) o 36 = 576

30 o (35 o 36) = 29

(39 o 26) o 31 = 44

(21 o 25) o (28 o 31) = -236

 

 

 

 

 

 

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Keywords: Starter | Arithmetic

"Good starter but the random number aspect ought to take into account the rules of brackets so that brackets are not redundant in the question generated."

N Cox, Suffolk
Tuesday, April 15, 2008

 

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Answers

(27 x 20) + 36 = 576

30 + (35 - 36) = 29

(39 - 26) + 31 = 44

(21 - 25) x (28 + 31) = -236

 

 
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