Variable expressions Worksheet

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

1 a.   c2, when c = –7
   
 
 
 
 
1 b.   3 a r, when a = 5 and r = –4
   
 
 
 
 
2 a.   sb – (–7), when s = 10 and b = 3
   
 
 
 
 
2 b.   a + (–7) + s, when a = 7 and s = 10
   
 
 
 
 
3 a.  
1 , when p = 10
p
   
 
 
 
 
3 b.   t – 8, when t = 3
   
 
 
 
 
4 a.   zq, when z = 6 and q = –1
   
 
 
 
 
4 b.   w + r + (–4), when w = –6 and r = 9
   
 
 
 
 
5 a.   s6, when s = –2
   
 
 
 
 
5 b.   1 u x, when u = –4 and x = –3
   
 
 
 
 
Page 2

Answer Key

1 a.  49

 
1 b.  -60

 
2 a.  14

 
2 b.  10

 
3 a.  1/10

 
3 b.  -5

 
4 a.  7

 
4 b.  -1

 
5 a.  64

 
5 b.  12

 


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