

1. 
Evaluate 5 + 6 – 2 + 4. 


A. 
17 
B. 
5 


C. 
7 
D. 
13 


Hint 


2. 
Evaluate 2(15 – 6) – 3 · 6. 


A. 
–18 
B. 
6 


C. 
0 
D. 
36 


Hint 


3. 
Name the operation that should be done first in the expression 9 × (7 – 3) ÷ 2. 


A. 
subtraction 
B. 
multiplication 


C. 
division 
D. 
addition 


Hint 


4. 
Multiply 45.3 × 10^{2}. 


A. 
0.453 
B. 
4.53 


C. 
4,530 
D. 
453 


Hint 


5. 
The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room? 





A. 
1.5 + 1.5 + 1.5 + 1 + 1 + 2 


B. 
3 × 1.5 + 2 × 1 + 2 


C. 
3(1.5) + 2(1) + 2 


D. 
5(1.5 + 1) + 2 


Hint 


