Lesson Example Discussion Quiz: Class Homework |
Step-1 |
Title: Perimeter of Triangle(based on sides) |
Grade: 4-a Lesson: S1-L7 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
If the side length of an equilateral triangle is 6 cm, what is its perimeter ? |
|
2 |
Formula |
The perimeter of an equilateral triangle is |
P = 3a |
3 |
Hint |
All sides of an equilateral triangle are equal. |
|
4 |
Step |
The side of a equilateral triangle is |
6 cm |
5 |
Step |
Substitute the values |
P = 3 x 6 |
6 |
Step |
After multiplication |
P = 18 |
7 |
Step |
Then the perimeter of a equilateral triangle is 18 cm. |
|
8 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
9 |
Choice.A |
This is correct because it match the correct calculation for the perimeter of an equilateral triangle |
18 cm |
10 |
Choice.B |
This is not correct because it doesn’t match the correct calculation for the perimeter of an equilateral triangle |
20 cm |
11 |
Choice.C |
This is not correct because it doesn’t match the correct calculation for the perimeter of an equilateral triangle |
22 cm |
12 |
Choice.D |
This is not correct because it doesn’t match the correct calculation for the perimeter of an equilateral triangle |
24 cm |
13 |
Answer |
Option |
A |
14 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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