Variable expressions Worksheet

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

1 a.   x + u + 10, when x = 7 and u = 1
   
 
 
 
 
1 b.   gt – 7, when g = 2 and t = 1
   
 
 
 
 
2 a.   v2, when v = 4
   
 
 
 
 
2 b.   7 r, when r = 8
   
 
 
 
 
3 a.  
z , when z = 2
7
   
 
 
 
 
3 b.  
x , when x = 1
8
   
 
 
 
 
4 a.   7 r c, when r = 4 and c = 3
   
 
 
 
 
4 b.   a + s + 4, when a = 8 and s = 10
   
 
 
 
 
5 a.  
u , when u = 6
6
   
 
 
 
 
5 b.   s – 2, when s = 7
   
 
 
 
 
Page 2

Answer Key

1 a.  18

 
1 b.  -6

 
2 a.  16

 
2 b.  56

 
3 a.  2/7

 
3 b.  1/8

 
4 a.  84

 
4 b.  22

 
5 a.  1

 
5 b.  5

 


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