

1. 
Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}. 


A. 
12 
B. 
8 


C. 
4 
D. 
16 


Hint 


2. 
An infant weighs 7 pounds at birth. Assuming that she gains 1 pound every 2 weeks, how much will she weigh in 10 weeks? 


A. 
5 pounds 
B. 
12 pounds 


C. 
17 pounds 
D. 
7 pounds 


Hint 


3. 
Evaluate 5 + 6 – 2 + 4. 


A. 
5 
B. 
17 


C. 
7 
D. 
13 


Hint 


4. 
Evaluate 3x + 2y if x = 3 and y = 7. 


A. 
105 
B. 
5 


C. 
27 
D. 
23 


Hint 


5. 
Which number is a solution to x + 7 = 16? 


A. 
23 
B. 
10 


C. 
9 
D. 
8 


Hint 


6. 
Solve 5 + y = 11. 


A. 
7 
B. 
2 


C. 
6 
D. 
16 


Hint 


7. 
11,241 g = ______kg 


A. 
11.241 
B. 
11,241,000 


C. 
112.41 
D. 
0.11241 


Hint 


8. 
Write 2,564,000 in scientific notation. 


A. 
2.564×10^{5} 
B. 
25.64×10^{5} 


C. 
2.564×10^{6} 
D. 
2,564×10^{3} 


Hint 


9. 
Write 120,000,000 in scientific notation. 


A. 
12×10^{7} 
B. 
1.2×10^{9} 


C. 
1.2×10^{8} 
D. 
0.12×10^{9} 


Hint 


10. 
Find the next term in the sequence 3, 9, 15, 21, … 


A. 
27 
B. 
63 


C. 
36 
D. 
25 


Hint 


11. 
Anna lives in San Francisco, and she has a business partner in Washington, D.C. Sometimes she flies to Washington for meetings; San Francisco and Washington, D.C., are 2438 miles apart. In August, Anna flies to Washington and back twice. What is a good estimate of the number of miles she has flown in August? 


A. 
10000 miles 
B. 
2500 miles 


C. 
5000 miles 
D. 
1000 miles 


Hint 


12. 
In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2. 


A. 
20 
B. 
5 


C. 
10 
D. 
40 


Hint 


13. 
57 mL = ______ L 


A. 
57,000 
B. 
0.0057 


C. 
0.057 
D. 
0.57 


Hint 


14. 
Find the solution of 62 + x = 75 if the value of x can be selected from the set {12, 13, 14, 15}. 


A. 
15 
B. 
13 


C. 
12 
D. 
14 


Hint 


15. 
Express 64 in exponential form as a power of 4. 


A. 
4^{4} 
B. 
2^{6} 


C. 
4^{3} 
D. 
4^{5} 


Hint 


16. 
Evaluate 60 ÷ 12 + 2(13  7). 


A. 
17 
B. 
2.5 


C. 
6 
D. 
22 


Hint 


17. 
Graph the solution of 11 + y = 28 on a number line. 


A. 

B. 



C. 

D. 



Hint 


18. 
Describe and identify the pattern in the sequence. 6, 7, 9, 12, 16, … 


A. 
×2; geometric 
B. 
+1; arithmetic 


C. 
Add 2 to the first term, add 4 to the second term, and so on; neither arithmetic nor geometric 
D. 
Add 1 to the first term, add 2 to the second term, and so on; neither arithmetic nor geometric 


Hint 


19. 
Write 9.01 × 10^{8} in standard form. 


A. 
901,000,000 
B. 
90,100,000 


C. 
9,010,000,000 
D. 
9,010,000 


Hint 


20. 
The Mojave Desert in southern California is 15,000 square miles. The Sahara Desert in northern Africa is about 233 times larger than the Mojave Desert. How big is the Sahara Desert? 


A. 
3.5 × 10^{5} sq mi 
B. 
3.5 × 10^{6} sq mi 


C. 
3.5 × 10^{3} sq mi 
D. 
3.5 × 10^{4} sq mi 


Hint 


