

1. 
What are the prime factors of 400? 


A. 
2, 200 
B. 
2, 5 


C. 
2, 4, 5 
D. 
4, 10, 10 


Hint 


2. 
Write a percent to represent the shaded area. 





A. 
100% 
B. 
4% 


C. 
16% 
D. 
64% 


Hint 


3. 
Express in simplest form. 


A. 

B. 



C. 

D. 



Hint 


4. 
Express 56% as a decimal. 


A. 
0.56 
B. 
0.056 


C. 
5.6 
D. 
0.0056 


Hint 


5. 
Write as a decimal. 


A. 
0.085 
B. 
0.85 


C. 
8.5 
D. 
0.805 


Hint 


6. 
Express as a decimal. 


A. 
54.4444… 
B. 
5.4444… 


C. 
7.25 
D. 
0.54444… 


Hint 


7. 
What is the greatest common factor of 39 and 18? 


A. 
3 
B. 
9 


C. 
13 
D. 
6 


Hint 


8. 
What is the greatest common factor of 20x^{2} and 32x^{3}? 


A. 
4x^{2} 
B. 
8x^{3} 


C. 
8x 
D. 
4x 


Hint 


9. 
Express in simplest form. 


A. 

B. 



C. 

D. 



Hint 


10. 
Find the least common multiple of 6, 8, and 10. 


A. 
120 
B. 
240 


C. 
86 
D. 
140 


Hint 


11. 
Rachel and Diego both jog regularly. Rachel jogs every other day, and Diego jogs every third day. They both jogged today. How many days will it be before they both jog on the same day again? 


A. 
3 
B. 
12 


C. 
2 
D. 
6 


Hint 


12. 
Which symbol makes the sentence true? ______ 


A. 
< 
B. 
> 


C. 

D. 
= 


Hint 


13. 
Which symbol makes the sentence true? ______ 


A. 
= 
B. 
> 


C. 
< 
D. 



Hint 


14. 
Factor 18ab^{2}. 


A. 
2^{2} · 3 · a · b · b 
B. 
2 · 3 · a · b · b 


C. 
2 · 3 · 3 · a · b 
D. 
2 · 3 · 3 · a · b · b 


Hint 


15. 
Write 9 as a decimal. 


A. 

B. 
9.83 


C. 

D. 



Hint 


16. 
About 1 in every 25 people in Honolulu, Hawaii speak Chinese at home. What percent of people is this? 


A. 
8% 
B. 
5% 


C. 
25% 
D. 
4% 


Hint 


