myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5

<< back This is a SAMPLE test for Grade: 5, Subject: Math  
Test Topic(s): Multiples and Factors, Least Common Multiple (LCM), Greatest Common Factors(GCF)

Question 1:
What is the least common multiple of 4, 5, and 16?
30
45
56
80
Question 2:
Find the least common multiple of 15 and 20
30
40
60
80
Question 3:
Which list shows the factors of 32?
1, 2, 4, 8
1, 3, 6, 8
1, 5, 7, 9
1, 2, 4, 6
Question 4:
Select the CORRECT statement.
A composite number is any number that has less than two factors.
A composite number has only two factors, one and itself.
A composite number is any number that has more than two factors.
A prime number is any number that has more than two factors.
Question 5:
Find the least common multiple of 3, 9, 21?
45
63
42
56
Question 6:
The prime factors of 24 are ____________.
2 × 2 × 2 × 2
2 × 2 × 2 × 5
2 × 3 × 3 ×
2 × 2 × 2 × 3
Question 7:
What is the least common multiple of 9 and 12?
18
36
45
63
Question 8:
Which of these is a prime number?
19
18
21
22
Question 9:
Lauren has Taekwondo class every 3 days and guitar lesson every 5 days. If she had both a Taekwondo class and a guitar lesson on Monday, in how many days will she have both on the same day again?
12
10
15
16
Question 10:
Which list shows the factors of 28?
1, 2, 3, 5, 12
7, 14, 21
2, 7, 14, 18
1, 2, 4, 7, 14, 28

 





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