Variable expressions Worksheet

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

1 a.   at, when a = 0 and t = –5
   
 
 
 
 
1 b.   x + 10 + r, when x = 1 and r = –5
   
 
 
 
 
2 a.   k2, when k = –10
   
 
 
 
 
2 b.   n + 4 + z, when n = –8 and z = –9
   
 
 
 
 
3 a.   rc, when r = –1 and c = 3
   
 
 
 
 
3 b.   ga – 3, when g = 8 and a = 9
   
 
 
 
 
4 a.   w – 9 + y, when w = –5 and y = –3
   
 
 
 
 
4 b.   p2, when p = 1
   
 
 
 
 
5 a.   uv – 8, when u = –7 and v = –1
   
 
 
 
 
5 b.   v3, when v = –3
   
 
 
 
 
Page 2

Answer Key

1 a.  5

 
1 b.  6

 
2 a.  100

 
2 b.  -13

 
3 a.  -4

 
3 b.  -4

 
4 a.  -17

 
4 b.  1

 
5 a.  -14

 
5 b.  -27

 


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