Understanding Greatest Common Factor and Prime Factorization

Understanding Greatest Common Factor and Prime Factorization

Assessment

Interactive Video

Mathematics

5th - 8th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how Ramona can use the greatest common factor (GCF) to distribute 36 candies and 60 toys into identical party favor bags. It introduces the concept of GCF, describes how to find it using prime factorization, and applies it to solve the problem. The GCF of 36 and 60 is calculated to be 12, allowing Ramona to create 12 identical bags, each containing 3 candies and 5 toys. The tutorial concludes with a summary of the process and its application.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main problem Ramona is trying to solve for her party?

How to invite the most guests

How to bake a cake

How to decorate the party venue

How to make the most identical party favor bags

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the greatest common factor (GCF) represent in this context?

The number of guests invited

The total number of toys

The largest number of identical groups

The smallest number of candies

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is introduced to find the greatest common factor?

Division

Addition

Subtraction

Prime Factorization

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the prime factorization of 36?

2 x 2 x 3 x 3

2 x 2 x 5

2 x 3 x 5

3 x 3 x 5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What common prime factors do 36 and 60 share?

Two factors of 2 and a factor of 3

A factor of 2 and two factors of 5

Three factors of 2 and a factor of 3

Two factors of 3 and a factor of 5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many identical party favor bags can Ramona make?

6

8

12

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many candies will each party favor bag contain?

3

5

4

2

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