Variable expressions Worksheet

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

1 a.  
d – 2  , when d = –7.5
–7.9
   
 
 
 
 
1 b.  
w – (–6)  , when w = –2.4
–7
   
 
 
 
 
2 a.  
–7 d  , when d = 7.3 and s = 2.1
s2
   
 
 
 
 
2 b.  
–1  , when g = 3
–5.9 – g
   
 
 
 
 
3 a.  
u – (–6)  , when u = –5.3
0.8
   
 
 
 
 
3 b.  
–2.2 x  , when x = 4.4
3.6
   
 
 
 
 
4 a.  
5.2 w  , when w = –8.2 and k = 10.3
k2
   
 
 
 
 
4 b.   (3 – (–2) c)2, when c = –5.1
   
 
 
 
 
5 a.  
u – (–5)  , when u = –8.3
7
   
 
 
 
 
5 b.  
d – (–2.3)  , when d = 7
–0.7
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  1.203

 
1 b.  -0.514

 
2 a.  -11.587

 
2 b.  0.112

 
3 a.  0.875

 
3 b.  -2.689

 
4 a.  -0.402

 
4 b.  51.84

 
5 a.  -0.471

 
5 b.  -13.286

 


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