Lesson Example Discussion Quiz: Class Homework |
Step-1 |
Title: Commutative Property |
Grade: 6-a Lesson: S1-L8 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
What is the sum of 15 and 27? Is it the same as 27 plus 15? explain it. |
|
2 |
Hint |
The commutative property of addition can be expressed as: |
a + b = b + a |
3 |
Step |
Add the numbers in the given order |
27 + 15 = 42 |
4 |
Step |
Since both expressions yield the same result of 42, we confirm that the commutative property of addition holds true for 15 and 27. |
|
5 |
Choice.A |
This option is incorrect. The sum of 15 and 27 is a positive number, not a negative one. So, Option A is not the correct answer |
-24 |
6 |
Choice.B |
This option is incorrect. The sum of 15 and 27 is a positive number, not a negative one. So, Option B is not the correct answer |
-42 |
7 |
Choice.C |
This option is incorrect. The sum of 15 and 27 is 42, not 24. So, Option C is not the correct answer |
24 |
8 |
Choice.D |
This option is correct. The sum of 15 and 27 is indeed 42. Additionally, it correctly recognizes that changing the order of addition does not change the result, as addition is commutative |
42 |
9 |
Answer |
Option |
D |
10 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
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