Variable expressions Worksheet

Evaluate the expressions for the given values of the variable(s).

1 a.  
v – 8  , when v = 6.8
10.7
   
 
 
 
 
1 b.   n3, when n = 3.2
   
 
 
 
 
2 a.  
c – 8.2  , when c = 8.6
10
   
 
 
 
 
2 b.   1 – b, when b = 2.5
   
 
 
 
 
3 a.   d – 4 + y, when d = 8.9 and y = 9.5
   
 
 
 
 
3 b.   z + t, when z = 8 and t = 1.1
   
 
 
 
 
4 a.   8 t n, when t = 9.8 and n = 10
   
 
 
 
 
4 b.   a + b + 8, when a = 2.2 and b = 9.9
   
 
 
 
 
5 a.  
v – 6.4  , when v = 1.7
5
   
 
 
 
 
5 b.   d + g + 4, when d = 5.7 and g = 5.6
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  -0.112

 
1 b.  32.768

 
2 a.  0.04

 
2 b.  -1.5

 
3 a.  14.4

 
3 b.  9.1

 
4 a.  784

 
4 b.  20.1

 
5 a.  -0.94

 
5 b.  15.3

 


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