Variable expressions Worksheet

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

1 a.   x + n, when x = 5 and n = 1
   
 
 
 
 
1 b.  
a – 3  , when a = 6
10
   
 
 
 
 
2 a.   b + 5 + t, when b = 1 and t = 10
   
 
 
 
 
2 b.  
k , when k = 4
4
   
 
 
 
 
3 a.   qt, when q = 8 and t = 7
   
 
 
 
 
3 b.  
s – 7  , when s = 2
2
   
 
 
 
 
4 a.  
q – 7  , when q = 2
5
   
 
 
 
 
4 b.   2 – z, when z = 3
   
 
 
 
 
5 a.   p3, when p = 7
   
 
 
 
 
5 b.   r + 8, when r = 3
   
 
 
 
 
Page 2

Answer Key

1 a.  6

 
1 b.  3/10

 
2 a.  16

 
2 b.  1

 
3 a.  1

 
3 b.  -2 1/2

 
4 a.  -1

 
4 b.  -1

 
5 a.  343

 
5 b.  11

 


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