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Lesson Example Discussion Quiz: Class Homework

Step-3

Title: Common multiple

Grade: 6-a Lesson: S1-L2

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the greatest common factor for following numbers 36 and 54.

2

Hint

Finding the greatest common factor (GCF) of two numbers involves determining the largest number that divides both numbers without leaving a remainder.

3

Step

Let’s find the GCF of 36 and 54 using a step-by-step process:

4

Step

Factors of 36:

1, 2, 3, 4, 6, 9, 12, 18, 36

5

Step

Factors of 54:

1, 2, 3, 6, 9, 18, 27, 54

6

Step

Common factors of 36 and 54 are

1, 2, 3, 6, 9, 18

7

Step

The greatest common factor (GCF) of 36 and 54 is 18, as it’s the largest number that divides both 36 and 54 without leaving a remainder.

8

Step

So, the greatest common factor of 36 and 54 is

18

9

Sumup

Can you summarize what you’ve understood in the above steps?

10

Choice.A

This is not correct because 20 is not a factor of both 36 and 54

20

11

Choice.B

This is not correct because 21 is not a factor of both 36 and 54

21

12

Choice.C

This is not correct because 16 is not a factor of both 36 and 54

16

13

Choice.D

This is correct because 18 is the greatest common factor of 36 and 54

18

14

Answer

Option

D

15

Sumup

Can you summarize what you’ve understood in the above steps?

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