Variable expressions Worksheet

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

1 a.   1 b t, when b = 3.1 and t = 4.9
   
 
 
 
 
1 b.  
p – 4.6  , when p = 9.4
5.7
   
 
 
 
 
2 a.  
b – 6  , when b = 10.4
2
   
 
 
 
 
2 b.   3 – t, when t = 10.8
   
 
 
 
 
3 a.  
p – 1.9  , when p = 8.9
3.5
   
 
 
 
 
3 b.  
d – 7  , when d = 7.7
3
   
 
 
 
 
4 a.  
q – 8  , when q = 5.2
4
   
 
 
 
 
4 b.   5 + w, when w = 8.7
   
 
 
 
 
5 a.   8 + n, when n = 4.9
   
 
 
 
 
5 b.  
y – 4  , when y = 7.8
4.8
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  15.19

 
1 b.  0.842

 
2 a.  2.2

 
2 b.  -7.8

 
3 a.  2

 
3 b.  0.233

 
4 a.  -0.7

 
4 b.  13.7

 
5 a.  12.9

 
5 b.  0.792

 


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