Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Circumference of a Circle |
Grade: 4-a Lesson: S2-L4 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
The circumference of a circle is 80 cm. Find the diameter of the circle. |
|
2 |
Step |
The circumference of a circle is given C, |
80 cm |
3 |
Formula |
Circumference of a circle |
C = πd |
4 |
Step |
We need to determine the diameter. Substitute the values |
80 = 3.14d |
5 |
Step |
Divide 3.14 on both sides. |
\$80/3.14\$ = d d = 25.47 |
6 |
Step |
Therefore, the diameter of a circle is 25.47 cm. |
|
7 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
8 |
Choice.A |
This is correct because it correctly calculates the diameter based on the given circumference |
25.477 cm |
9 |
Choice.B |
It doesn’t give the right measurement around the circle |
32.46 cm |
10 |
Choice.C |
It doesn’t give the right measurement around the circle |
12.56 cm |
11 |
Choice.D |
It doesn’t give the right measurement around the circle |
32.12 cm |
12 |
Answer |
Option |
A |
13 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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