Variable expressions Worksheet

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

1 a.   n2, when n = 1
   
 
 
 
 
1 b.   18 g, when g = 6
   
 
 
 
 
2 a.   48 c, when c = 27
   
 
 
 
 
2 b.   yb – 45, when y = 13 and b = 17
   
 
 
 
 
3 a.   p + y + 28, when p = 45 and y = 41
   
 
 
 
 
3 b.   44 + q, when q = 23
   
 
 
 
 
4 a.   q + 50 + p, when q = 42 and p = 21
   
 
 
 
 
4 b.   r + s, when r = 22 and s = 10
   
 
 
 
 
5 a.  
c , when c = 2
46
   
 
 
 
 
5 b.   x2, when x = 42
   
 
 
 
 
Page 2

Answer Key

1 a.  1

 
1 b.  108

 
2 a.  1296

 
2 b.  -49

 
3 a.  114

 
3 b.  67

 
4 a.  113

 
4 b.  32

 
5 a.  1/23

 
5 b.  1764

 


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