MATH 4 2nd Quarter Quiz

The following numbers are the factors of 12:

• 1, 2, 3, 6, 12

• 1, 2, 3, 4, 6, 12

• 1, 2, 3, 4, 6, 12, 14

• 1, 2, 4, 6, 12

Answer explanation

A factor is a number that divides another number, leaving no remainder. In other words, if multiplying two whole numbers gives us a product, then the numbers we are multiplying are factors of the product because they are divisible by the product.

The following numbers are the factors of 15:

• 1, 3, 5, 15

• 1, 3, 5

• 1, 5, 15

• 3, 5, 15

Answer explanation

A factor is a number that divides another number, leaving no remainder. In other words, if multiplying two whole numbers gives us a product, then the numbers we are multiplying are factors of the product because they are divisible by the product.

The number of multiples of a given number is infinite.

• False

• Sometimes

• Neither

• True

Answer explanation

Which of the following is a prime number?

• 10

• 4

• 7

• 12

Answer explanation

Which of the following is a composite number?

• 2

• 18

• 11

• 23

Answer explanation

Which of the following is not a proper fraction?

Answer explanation

A fraction where the numerator is greater than the denominator, then it is known as an improper fraction.

i.e., Numerator > Denominator

Which of the following is not an improper fraction?

Answer explanation

A fraction where the numerator is less than the denominator, then it is known as a proper fraction.

i.e., Numerator < Denominator

What is the GCF of 12 and 15?

• 2

• 15

• 3

• 12

Answer explanation

GCF of 12 and 15 is the largest possible number that divides 12 and 15 exactly without any remainder.

What is the GCF of 8 and 12?

• 4

• 15

• 3

• 12

Answer explanation

GCF of 8 and 12 is the largest possible number that divides 8 and 12 exactly without any remainder. The factors of 8 and 12 are 1, 2, 4, 8 and 1, 2, 3, 4, 6, 12 respectively.