Factors 4th grade

What is a prime factor?

• A factor that is a composite number.

• A factor that is a prime number.

• A factor that is a whole number.

• A factor that is a negative number.

Tags

CCSS.4.OA.B.4

Can a number have an odd number of factors?

• Yes, if it is a perfect square.

• No, all numbers have an even number of factors.

• Yes, if it is a prime number.

• No, only composite numbers have an odd number of factors.

Tags

CCSS.4.OA.B.4

List all of the factors of 20.

• 1, 2, 4, 5, 10, 20

• 1, 2, 3, 4, 5, 6

• 2, 4, 8, 10, 12

• 1, 5, 10, 15, 20

Tags

CCSS.4.OA.B.4

What is the smallest factor of any number?

• 0

• 1

• 2

• -1

Tags

CCSS.4.OA.B.4

What is the largest factor of a number?

• The number itself.

• The number plus one.

• The number divided by two.

• The number minus one.

Tags

CCSS.4.OA.B.4

Which number is a factor of 21?

• 2

• 3

• 5

• 7

Tags

CCSS.4.OA.B.4

What is the relationship between factors and multiples?

• Factors are numbers that multiply to give another number, while multiples are the numbers that can be divided by a given number.

• Factors are numbers that divide another number evenly, while multiples are the result of multiplying a number by an integer.

• Factors are always larger than multiples, and multiples are always smaller than factors.

• Factors and multiples are the same; they both refer to the same set of numbers.

Tags

CCSS.4.OA.B.4

What is a factor?

• A number added to another number to find a sum.

• A number multiplied by another number to find a product.

• A number divided by another number to find a quotient.

• A number that is subtracted from another number to find a difference.

Tags

CCSS.4.OA.B.4

How many factors does the number 10 have?

• 2 (1, 10)

• 3 (1, 2, 5)

• 4 (1, 2, 5, 10)

• 5 (1, 2, 5, 10, 20)

Tags

CCSS.4.OA.B.4

Is 4 a factor of 16?

• Yes, because 4 x 4 = 16.

• No, because 4 x 5 = 20.

• Yes, because 4 x 2 = 8.

• No, because 4 x 3 = 12.

Tags

CCSS.4.OA.B.4