Mastering Prime Factorization: The Ladder Method Explained

Mastering Prime Factorization: The Ladder Method Explained

Assessment

Interactive Video

Mathematics, Science

10th Grade - University

Easy

Created by

Quizizz Content

Used 1+ times

FREE Resource

The video tutorial introduces prime factorization, explaining it as writing a composite number as the product of its prime factors. It provides examples and non-examples to clarify the concept. The ladder method is introduced as a technique to find prime factors, with practice exercises to reinforce learning. Key vocabulary terms are reviewed at the end.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of prime factorization?

Writing a composite number as the product of its prime factors

Writing a number as the sum of its prime factors

Writing a composite number as the sum of its factors

Writing a prime number as the product of its factors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a composite number?

2

3

18

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the prime factorization of the number 6?

6 * 1

3 * 2

2 * 3

1 * 6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is 3 * 4 not the prime factorization of 12?

Because 3 and 4 are both prime numbers

Because 3 is not a prime number

Because 12 is not a composite number

Because 4 is not a prime number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the ladder method?

Start with the number 1

Start with any composite number

Start with the largest prime number

Start with the smallest prime number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using the ladder method, what are the prime factors of 18?

3 * 6

2 * 9

1 * 18

2 * 3 * 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number is not a prime factor of 45?

3

5

9

15

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