Download Chapter 4 Study Guide

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Date________ Period _______
Chapter 4 Study Guide
**In addition to these multiple choice questions, study your Number Theory Quiz
(especially the open-ended questions), divisibility rules and Sieve of Eratosthenes.
1. Which is a prime number?
A) 51
C) 121
B) 91
D) 173
6. What is the GCF of 42, 147, and
168?
F) 6
H) 14
G) 7
J) 21
2. By which numbers is 1,428 divisible?
7. Write 0.82 as a fraction in simplest
form.
F) 2, 3, 6, 9, 13
G) 2, 3, 4, 6, 9
H) 2, 3, 4, 7, 17
J) 2, 4, 6, 9, 10
A)
1
8
C)
41
50
B)
2
8
D)
82
50
3. What are the factors of 48?
A) 1, 2, 4, 8, 18, 24, 48
B) 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
C) 1, 2, 3, 4, 6, 8, 12, 48
D) 1, 3, 4, 12, 14, 24, 36, 48
4. What is the prime factorization of
825?
F) 3  52  11
H) 32  52  11
G) 3  52  13
J) 32  52  13
5. What is the GCF of 39, 52, and
169?
A) 3
C) 13
B) 4
D) 26
8.Write 93.08 as a mixed number in
simplest form.
F)
9,308
100
G) 93
1
125
9. Write
H) 93
2
25
J) 93
8
30
3
as a decimal.
8
A) 0.3
C) 0.38
B) 0.375
D) 0.8
10. Write 8
25
as a decimal.
33
F) 8.25
H) 8. 75
G) 8.33
J) 9.32
11. Which is NOT equivalent to
42
?
91
15.Which list is ordered from least to
greatest?
A)
4
9
C)
84
182
A) 95.67, 95
B)
6
13
D)
168
364
B) 95
2
7
, 95
, 95.67
3
10
C) 95
7
2
, 95.67, 95
10
3
D) 95
7
2
, 95 , 95.67
10
3
12. Write
423
as a mixed number.
6
F) 70
G) 70
3
10
13. Write 34
fraction.
H) 70
1
3
J) 70
1
2
5
as an improper
12
A)
114
12
C)
413
12
B)
148
12
D)
71
2
14. Compare 14
16
18
_____
14
7
2
, 95
10
3
16.Which number is greatest?
F) 142.04
H) 142
3
4
G) 142.402
J) 142
4
5
17. Create a number that is at least 7
digits long and is divisible by 4, 5
and 6.
________________________
13
.
19
F) >
H) 
G) <
J) not here