Factors and Prime Factorisation

Factors and Prime Factorisation

6th Grade

20 Qs

quiz-placeholder

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Factors and Prime Factorisation

Factors and Prime Factorisation

Assessment

Quiz

Mathematics

6th Grade

Practice Problem

Hard

CCSS
4.OA.B.4

Standards-aligned

Created by

Barbara White

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

A prime number...

has one factor.
has more than 2 factors.
has 100 factors.
has exactly 2 factors: 1 and the itself.

Tags

CCSS.4.OA.B.4

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

A composite number ...

has more than 2 factors.
has one factor.
has at least 10 factors.
is always a really big number.

Tags

CCSS.4.OA.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What are the prime factors of 27?

3x3x3

3x2x3

3x3x4

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Find the prime factors of 45.

5x9

3x15

3x3x5

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What are the prime factors of 90?

3x3x4x5

5x5x3

2x3x3x5

6.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Use a number tree to find the prime factorization of 32

2 x 2 x 2 x 3

2 x 2 x 2 x 2 x 2

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which are the factors of 14?

(1,14)

(1, 2, 7, 14)

(2, 7)

Tags

CCSS.4.OA.B.4

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