Variable expressions Worksheet

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

1 a.  
k – 7.7  , when k = 8.2
7
   
 
 
 
 
1 b.  
p – 3  , when p = 5.5
9
   
 
 
 
 
2 a.   5 – q, when q = 5.6
   
 
 
 
 
2 b.   ws – 1, when w = 5.2 and s = 7.7
   
 
 
 
 
3 a.   x + 1, when x = 3.1
   
 
 
 
 
3 b.   q + z, when q = 6.2 and z = 8.1
   
 
 
 
 
4 a.  
t – 1  , when t = 3.2
6
   
 
 
 
 
4 b.   k + 1 + b, when k = 1.7 and b = 7.3
   
 
 
 
 
5 a.   y + x, when y = 6.9 and x = 9.5
   
 
 
 
 
5 b.  
a – 7.5  , when a = 3.7
9
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  0.071

 
1 b.  0.278

 
2 a.  -0.6

 
2 b.  -3.5

 
3 a.  4.1

 
3 b.  14.3

 
4 a.  0.367

 
4 b.  10

 
5 a.  16.4

 
5 b.  -0.422

 


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