Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Common Factors |
Grade: 6-a Lesson: S1-L6 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find the common factors of the given numbers 20 and 30. |
|
2 |
Hint |
The common factors of 20 and 30 are the numbers that can evenly divide both 20 and 30. |
|
3 |
Step |
To find the common factors, let’s first determine the factors of each number. |
|
4 |
Step |
Factors of 20: |
1, 2, 4, 5, 10, 20 |
5 |
Step |
Factors of 30: |
1, 2, 3, 5, 6, 10, 15, 30 |
6 |
Step |
Common factors: |
1, 2, 5, 10 |
7 |
Step |
So, the common factors of 20 and 30 are |
1, 2, 5, and 10 |
8 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
9 |
Choice.A |
Correct. These are factors of both 20 and 30 |
1,2,5,10 |
10 |
Choice.B |
Incorrect. 3 is not a factor of 20 |
1,2,3 |
11 |
Choice.C |
Incorrect. 5 is a factor of both 20 and 30, but 2 is also a factor of 30, so this option does not include all common factors |
1,2,5 |
12 |
Choice.D |
Incorrect. This option is missing the factor 5, which is a common factor of both 20 and 30 |
1,2,10 |
13 |
Answer |
Option |
A |
14 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
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