Variable expressions Worksheet

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

1 a.  
y , when y = 29
22
   
 
 
 
 
1 b.   nc, when n = 45 and c = 27
   
 
 
 
 
2 a.   s + 40 + y, when s = 25 and y = 13
   
 
 
 
 
2 b.  
47 , when k = 43
k
   
 
 
 
 
3 a.   4 – k, when k = 1
   
 
 
 
 
3 b.   n2, when n = 7
   
 
 
 
 
4 a.   37 p, when p = 41
   
 
 
 
 
4 b.  
23 , when k = 47
k
   
 
 
 
 
5 a.   ag, when a = 15 and g = 28
   
 
 
 
 
5 b.   wk – 33, when w = 17 and k = 15
   
 
 
 
 
Page 2

Answer Key

1 a.  1 7/22

 
1 b.  18

 
2 a.  78

 
2 b.  1 4/43

 
3 a.  3

 
3 b.  49

 
4 a.  1517

 
4 b.  23/47

 
5 a.  -13

 
5 b.  -31

 


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