Variable expressions Worksheet

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

1 a.   –2 + x, when x = 1
   
 
 
 
 
1 b.   –4 w, when w = 10
   
 
 
 
 
2 a.   k5, when k = –3
   
 
 
 
 
2 b.   –6 y, when y = 10
   
 
 
 
 
3 a.   d + (–3) + r, when d = 5 and r = –7
   
 
 
 
 
3 b.   3 + r, when r = 10
   
 
 
 
 
4 a.   d2, when d = 10
   
 
 
 
 
4 b.   t + s, when t = 0 and s = 0
   
 
 
 
 
5 a.   v3, when v = 8
   
 
 
 
 
5 b.   w + c + (–3), when w = 8 and c = –4
   
 
 
 
 
Page 2

Answer Key

1 a.  -1

 
1 b.  -40

 
2 a.  -243

 
2 b.  -60

 
3 a.  -5

 
3 b.  13

 
4 a.  100

 
4 b.  0

 
5 a.  512

 
5 b.  1

 


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