1.
Express
as a decimal.
A.
0.225
B.
0.216
C.
2.25
D.
2.16
Hint
2.
Use the factor tree to write the prime factorization of 120.
A.
2 × 3 × 5
B.
2 × 2 × 2 × 3 × 5
C.
2 × 2 × 3 × 5
D.
2 × 60
Hint
3.
What is the greatest common factor of 22, 66, and 110?
A.
66
B.
22
C.
2
D.
11
Hint
4.
Which model represents the same fraction as the model shown?
A.
B.
C.
D.
Hint
5.
Name a fraction equivalent to the fraction that is modeled in the figure.
A.
B.
C.
D.
Hint
6.
Find the least common multiple of 3 and 6.
A.
6
B.
18
C.
12
D.
3
Hint
7.
Find the least common denominator for
and
A.
10
B.
50
C.
15
D.
5
Hint
8.
Express 0.87 as a percent.
A.
8.7%
B.
0.87%
C.
870%
D.
87%
Hint
9.
Express 56% as a decimal.
A.
5.6
B.
0.056
C.
0.0056
D.
0.56
Hint
10.
Which of the following numbers is prime?
A.
75
B.
57
C.
43
D.
63
Hint
11.
What is the greatest common factor of 14
p
2
q
and 42
p
3
q
2
?
A.
7
p
2
q
2
B.
7
pq
C.
14
p
2
q
D.
14
pq
Hint
12.
Express
as a percent.
A.
68.73%
B.
0.69%
C.
687.30%
D.
6.87%
Hint
13.
Express 0.24 as a fraction.
A.
B.
C.
D.
Hint
14.
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.
6
B.
12
C.
3
D.
2
Hint
15.
Find the least common denominator for
and
.
A.
30
B.
135
C.
90
D.
45
Hint
16.
Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this?
A.
20%
B.
15%
C.
10%
D.
40%
Hint