Name: _____________________________________________
Math 3 Reviewer Test for Quarter 4
1. What is the correct prime factorization of 16?
a. 2 x 2 x 3
b. 2 x 2 x 2 x 2
c. 4 x 4
2. The prime factors of a number are 2, 5, and 7, what is the number?
a. 70
b. 14
c. 257
3. The prime factorization of a number is 2 x 3 x 3 x 7, what is the number?
a. 56
b. 126
c. 2 337
4. A number that can divide another number with no remainder is called _______
a. multiple
b. divisor
c. factor
5. A multiple must be less than or equal to the largest starting number.
a. True
b. False
6. The ___________ of 90 and 72 is 18.
a. least common multiple
b. greatest common factor
7. The __________ of 6 and 9 is 18.
a. least common multiple
b. greatest common factor
8. The prime factorization of two numbers is as follows:
15 : 3 x 5
9:3x3
Therefore, the least common multiple of 15 and 9 is _______
a. 3
b. 3 x 3 x 5
c. 3 x 3 x 3 x 5
9. The prime factorization of 24 and 18 is as follows:
24 : 2 x 2 x 2 x 3
18 : 2 x 3 x 3
Therefore, the least common multiple of 24 and 18 is: _______
a. 2 x 2 x 2 x 3 x 3
b. 2 x 2 x 2 x 2 x 3 x 3
c. 2 x 3
10.
Find the LCM of 3 and 11.
a. 33
b. 22
c. 11
11.
Find the GCF of 63 and 54.
a. 3
b. 6
c. 9
12.
Which of the following pairs of numbers have a least common multiple of
45?
a. 3 and 15
b. 45 and 90
c. 5 and 9
Fill in the blanks to make the fractions equivalent.
7
13.
13
3
14.
8
7
15.
16.
7
=
=
=
=
5
24
42
48
40
56
a. 39
b. 52
65
a. 12
b. 9
c. 18
a. 6
b. 8
c. 64
a. 5
b. 8
c. 9
Change the following IMPROPER fractions into MIXED number.
17.
18.
19.
20.
7
=
2
13
=
3
73
=
9
15
6
=
Change each MIXED number into IMPROPER fraction.
21. 2
7
8
=
4
22. 5 =
5
23. 6
2
3
=
1
24. Which fraction is equal to ?
2
a.
2
2
b.
2
8
c.
2
4
2
25. Which fraction is greater than ?
4
a.
4
8
b.
5
8
c.
2
8
26. Which fraction can be changed into a mixed number?
a.
1
b.
3
5
c.
3
3
3
1
27. Which fraction is smaller than ?
4
a.
1
b.
8
2
c.
8
6
b.
5
2
7
29. Carson brought
8
4
-
15
c.
3
8
14
28. Which fraction is equal to
a.
4
15
?
3
5
pounds of cans in for recycling. Last week, he recycled
5
6
pounds of cans. How many more pounds of cans did Carson bring in this week than
last week?
a.
1
b.
12
1
c.
24
1
48
30. Marta is making two different recipes for nut bread. One recipe calls for
nuts. The other recipe calls for
3
4
1
8
cup of
cup of nuts. How many cups of nuts will Marta
need in all?
7
1
8
5
c. cups
8
31. Kenny notices that
3
5
b. 1 cups
a. cups
2
7
8
of a gallon of milk is on the top shelf of the refrigerator, and
of a gallon of milk is on the bottom shelf. How much milk is in the refrigerator in
all?
a.
67
gallons
70
b.
31
35
5
gallons
c. gallons
7
32. While warming up for a track meet, Roslyn jogged for
jogged for
a.
3
5
of a mile. How much farther did Roslyn jog?
1
b.
4
1
1
4
3
3
c.
20
19
20
33. What is 3 + 4 ?
a. 7
1
12
34. What is 5
a. 3
b. 7
11
12
-2
5
12
3
2
1
9
2
7
c. 7
7
12
?
b. 3
4
2
1
2
c. 3
2
3
35. What is 2 + 2 ?
a. 4
3
11
b. 4
13
18
c. 4
2
3
7
20
of a mile. Maureen