Download WVDE Math 4 OA Gain Familiarity with Factors and Multiples Test

WVDE Math 4 OA
Gain Familiarity with
Factors and Multiples Test
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1. Is 1 x 2 x 5 x 9 a prime factorization of 90?
A Yes, because the product of 1, 2, 5, 9 is 90.
B Yes, because 1, 2, 5, and 9 are prime numbers.
C No, because 1, 2, 5, and 9 are not all prime numbers.
D No, because the product of 1, 2, 5, and 9 is not 90.
2. Which of the following factor pairs is made up of two composite numbers?
A 1 and 24
B 2 and 12
C 3 and 8
D 4 and 6
3. What is the prime factorization of 60?
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What is the prime factorization of 99?
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What is the prime factorization of 48?
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What is the prime factorization of 50?
7.
Shayna wants to share a certain number of pictures that can be divided evenly between 3 or 9 friends.
Which of these describes the number of pictures Shayna can share so that the total number of pictures will be
divided evenly among 3 or 9 friends?
A 123 pictures because 1 + 2 + 3 = 6 and 6 is divisible by 3
B 135 pictures because 1 + 3 + 5 = 9 and 9 is divisible by 3 and 9
C 451 pictures because the number begins with 45 which is divisible by 3 and 9
D 109 pictures because the number ends with 9 which is divisible by 3 and 9
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8. Look at the models below.
These models can be used to show that 8 is a _____________.
A prime number
B composite number
C square number
D decimal number
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