

1. 
Find the area of a circle with a radius of 8 meters to the nearest square meter. (Use 3.14 for .) 


A. 
50 square meters 
B. 
201 square meters 


C. 
113 square meters 
D. 
804 square meters 


Hint 


2. 
Find the area of a circle with a diameter of 10 meters to the nearest square meter. (Use 3.14 for ) 


A. 
314 square meters 
B. 
157 square meters 


C. 
154 square meters 
D. 
79 square meters 


Hint 


3. 
Find the area of a circle with diameter 5.04 km. Round the answer to the nearest tenth. (Use 3.14 for .) 


A. 
19.9 km^{2} 
B. 
24.8 km^{2} 


C. 
76.8 km^{2} 
D. 
49.7 km^{2} 


Hint 


4. 
Choose the best estimate for 6.8 · 2.1. 


A. 
1.5 
B. 
12 


C. 
7 
D. 
14 


Hint 


5. 
Find 24.34 + 6.7. 


A. 
31.04 
B. 
25.01 


C. 
32 
D. 
91.34 


Hint 


6. 
Find 39.45  18.578. 


A. 
20.882 
B. 
14.633 


C. 
20.872 
D. 
14.733 


Hint 


7. 
Simplify 3 · 3 · 1 + 5 · 6. 


A. 
39 
B. 
45 


C. 
456 
D. 
84 


Hint 


8. 
Simplify 8 + 2 · 7 + 1. 


A. 
23 
B. 
24 


C. 
71 
D. 
18 


Hint 


9. 
Find 5 · . 


A. 

B. 



C. 
7 
D. 
6 


Hint 


10. 
Find . 


A. 

B. 
4 


C. 
3 
D. 



Hint 


