Variable expressions Worksheet

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

1 a.   7 d w, when d = 8.9 and w = 1.9
   
 
 
 
 
1 b.  
k – 2  , when k = 9.9
2.2
   
 
 
 
 
2 a.   t6, when t = 6.7
   
 
 
 
 
2 b.  
z – 1  , when z = 2.5
9.9
   
 
 
 
 
3 a.  
v , when v = 6.1
6
   
 
 
 
 
3 b.  
r , when r = 6
1
   
 
 
 
 
4 a.   v + 4, when v = 1.9
   
 
 
 
 
4 b.  
v – 1  , when v = 5.4
3.1
   
 
 
 
 
5 a.   x + 5 + c, when x = 5.5 and c = 8.9
   
 
 
 
 
5 b.  
n – 7  , when n = 6.8
8.4
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  118.37

 
1 b.  3.591

 
2 a.  90458.382169

 
2 b.  0.152

 
3 a.  1.017

 
3 b.  6

 
4 a.  5.9

 
4 b.  1.419

 
5 a.  19.4

 
5 b.  -0.024

 


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