Variable expressions Worksheet

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

1 a.   u2, when u = –7
   
 
 
 
 
1 b.   k + n + 3, when k = –8 and n = –3
   
 
 
 
 
2 a.   r + 8, when r = 0
   
 
 
 
 
2 b.   5 + d, when d = –3
   
 
 
 
 
3 a.  
v , when v = 6
6
   
 
 
 
 
3 b.   x2, when x = 9
   
 
 
 
 
4 a.   2 b, when b = –2
   
 
 
 
 
4 b.   k + x + 2, when k = 3 and x = 6
   
 
 
 
 
5 a.   k + 10 + b, when k = –2 and b = 2
   
 
 
 
 
5 b.   2 + w, when w = 7
   
 
 
 
 
Page 2

Answer Key

1 a.  49

 
1 b.  -8

 
2 a.  8

 
2 b.  2

 
3 a.  1

 
3 b.  81

 
4 a.  -4

 
4 b.  11

 
5 a.  10

 
5 b.  9

 


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