1.
Which of the following numbers is prime?
A.
5
B.
1
C.
15
D.
9
Hint
2.
What is the greatest common factor of 25
a
2
b
and 5
ab
2
?
A.
5
ab
B.
5
a
2
b
2
C.
5
D.
5
ab
2
Hint
3.
Express
as a percent.
A.
15%
B.
3%
C.
83%
D.
8%
Hint
4.
Albania has volleyball practice every 3 days and piano lessons every 4 days. If she had both a volleyball practice and a piano lesson on Monday, in how many days will she have both on the same day again?
A.
4
B.
3
C.
12
D.
8
Hint
5.
Which symbol makes the sentence true?
A.
>
B.
C.
<
D.
=
Hint
6.
Express 31
per hundred as a percent.
A.
31
B.
31%
C.
31
%
D.
0.31
%
Hint
7.
Express 0.87 as a percent.
A.
87%
B.
0.87%
C.
8.7%
D.
870%
Hint
8.
Write
as a decimal.
A.
0.805
B.
8.5
C.
0.85
D.
0.085
Hint
9.
Express
as a decimal.
A.
1.25
B.
0.0125
C.
0.8
D.
0.125
Hint
10.
Write the prime factorization of 810.
A.
3
2
× 4 × 5
B.
2 × 3
4
× 5
C.
2 ×3 × 5
D.
2 × 5 × 9
2
Hint
11.
What is the greatest common factor of 39 and 18?
A.
13
B.
6
C.
3
D.
9
Hint
12.
Express
in simplest form.
A.
B.
C.
D.
Hint
13.
Which fraction is
when written in simplest form?
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.
2
C.
12
D.
3
Hint
15.
Which symbol makes the sentence true?
______
A.
B.
<
C.
>
D.
=
Hint
16.
Write 5
as a decimal.
A.
B.
5.01
C.
5.11
D.
Hint