Name_______________________________________
Evaluating Expressions (1)   Find the missing numbers in each table.

x x + 2
12 14
15 17
17 19
20  

 

r r - 20
21 1
25 5
30 10
40  

 

b 20 - b
19 1
15 5
12 8
10  

 

w 14 + w
14 28
20 34
25  
31