Variable expressions Worksheet

Find the value of the expressions for the given values of the variable(s).

1 a.   34 – n, when n = 10
   
 
 
 
 
1 b.   5 x, when x = 32
   
 
 
 
 
2 a.   qt – 42, when q = 31 and t = 37
   
 
 
 
 
2 b.   b + 47 + r, when b = 21 and r = 30
   
 
 
 
 
3 a.   d3, when d = 14
   
 
 
 
 
3 b.   q + n + 43, when q = 5 and n = 37
   
 
 
 
 
4 a.   w – 2, when w = 5
   
 
 
 
 
4 b.   t + 31, when t = 6
   
 
 
 
 
5 a.  
n , when n = 20
26
   
 
 
 
 
5 b.   36 r g, when r = 34 and g = 32
   
 
 
 
 
Page 2

Answer Key

1 a.  24

 
1 b.  160

 
2 a.  -48

 
2 b.  98

 
3 a.  2744

 
3 b.  85

 
4 a.  3

 
4 b.  37

 
5 a.  10/13

 
5 b.  39168

 


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