

1. 
Express as a decimal. 


A. 
0.3 
B. 
0.33 


C. 

D. 
3.3 


Hint 


2. 
Express 2 as a decimal. 


A. 

B. 
275 


C. 
0.75 
D. 
2.75 


Hint 


3. 
What are the prime factors of 120? 


A. 
2, 2, 2, 3, 5 
B. 
2, 60 


C. 
2, 2, 30 
D. 
2, 3, 5 


Hint 


4. 
Write a percent to represent the shaded area. 





A. 
4% 
B. 
64% 


C. 
16% 
D. 
100% 


Hint 


5. 
Find the least common denominator for and 


A. 
10 
B. 
50 


C. 
15 
D. 
5 


Hint 


6. 
What is the least common denominator for and 


A. 
12 
B. 
36 


C. 
9 
D. 
72 


Hint 


7. 
Write as a decimal. 


A. 
0.805 
B. 
0.085 


C. 
8.5 
D. 
0.85 


Hint 


8. 
Write the prime factorization of 810. 


A. 
2 × 5 × 9^{2} 
B. 
2 ×3 × 5 


C. 
3^{2} × 4 × 5 
D. 
2 × 3^{4} × 5 


Hint 


9. 
What is the greatest common factor of 64 and 40? 


A. 
2 
B. 
8 


C. 
4 
D. 
20 


Hint 


10. 
What is the greatest common factor of 20x^{2} and 32x^{3}? 


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


C. 
8x 
D. 
8x^{3} 


Hint 


11. 
Express in simplest form. 


A. 

B. 



C. 

D. 



Hint 


12. 
Which fraction is when written in simplest form? 


A. 

B. 



C. 

D. 



Hint 


13. 
Express 16 per 100 as a percent. 


A. 
0.16% 
B. 
32% 


C. 
16% 
D. 
8% 


Hint 


14. 
Find the least common multiple of 6, 8, and 10. 


A. 
140 
B. 
240 


C. 
120 
D. 
86 


Hint 


15. 
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. 
12 
B. 
6 


C. 
3 
D. 
2 


Hint 


16. 
Express 83% as a decimal. 


A. 
0.83 
B. 
0.083 


C. 
8.3 
D. 
83 


Hint 


