Variable expressions Worksheet

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

1 a.  
d – 1  , when d = 7.7
4.4
   
 
 
 
 
1 b.   w2, when w = 5.9
   
 
 
 
 
2 a.  
c , when c = 2.6
6
   
 
 
 
 
2 b.   q + 3 + r, when q = 8.6 and r = 6.6
   
 
 
 
 
3 a.  
c – 4.3  , when c = 1.1
6
   
 
 
 
 
3 b.  
a – 6  , when a = 10.8
8
   
 
 
 
 
4 a.  
s – 3.7  , when s = 1.7
9
   
 
 
 
 
4 b.  
z – 6  , when z = 3.3
8
   
 
 
 
 
5 a.   c + 6 + x, when c = 10.7 and x = 4.1
   
 
 
 
 
5 b.   k + z + 6, when k = 3.6 and z = 4.9
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  1.523

 
1 b.  34.81

 
2 a.  0.433

 
2 b.  18.2

 
3 a.  -0.533

 
3 b.  0.6

 
4 a.  -0.222

 
4 b.  -0.338

 
5 a.  20.8

 
5 b.  14.5

 


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