

1. 
Based upon the table below, Mari concluded that when one of two addends is negative, the sum is always negative. Find a counterexample for her conjecture. 





A. 
13 + 5 
B. 
18 + (10) 


C. 
5 + (5) 
D. 
8 + 7 


Hint 


2. 
What is the next series of triangles in the sequence below? 





A. 



B. 



C. 



D. 



Hint 


3. 
Find the next three terms of the sequence. 2, 5, 4, 7, 6,….. 


A. 
9, 12, 15 
B. 
8, 10, 12 


C. 
9, 8, 11 
D. 
10, 13,12 


Hint 


4. 
Draw the next figure in the pattern. 





A. 

B. 



C. 

D. 



Hint 


5. 
One possible counterexample for the statement ''All fruits taste sweet'' is ________. 


A. 
Watermelons 
B. 
Lemons 


C. 
Plums 
D. 
Oranges 


Hint 


