Variable expressions Worksheet

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

1 a.  
3 , when q = 5
q
   
 
 
 
 
1 b.   n2, when n = 8
   
 
 
 
 
2 a.   xr, when x = 5 and r = 8
   
 
 
 
 
2 b.  
8 , when v = 10
v
   
 
 
 
 
3 a.   w – 2 + p, when w = 2 and p = 10
   
 
 
 
 
3 b.   6 – n, when n = 8
   
 
 
 
 
4 a.   u3, when u = 1
   
 
 
 
 
4 b.   s + a + 5, when s = 1 and a = 1
   
 
 
 
 
5 a.   9 b t, when b = 3 and t = 8
   
 
 
 
 
5 b.   5 c, when c = 8
   
 
 
 
 
Page 2

Answer Key

1 a.  3/5

 
1 b.  64

 
2 a.  -3

 
2 b.  4/5

 
3 a.  10

 
3 b.  -2

 
4 a.  1

 
4 b.  7

 
5 a.  216

 
5 b.  40

 


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