Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Volume of Prism |
Grade: 4-a Lesson: S3-L5 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find the volume of a triangular prism whose base is 22 cm, height is 9 cm, and length is 32 cm. |
|
2 |
Step |
The given values are |
b = 22cm, h = 9 cm and l = 32 cm |
3 |
Formula |
To find the volume (V) of a triangular prism, you can use the formula |
\$"V" = "area of base" times "h"\$ |
4 |
Step |
For a triangle, the area (area of base) can be found using the formula |
\$"area of base" = 1/2 times "base" times "height"\$ |
5 |
Step |
Now plug the values into the area of base formula |
\$"area of base" = 1/2 times 22 times 9\$ |
6 |
Step |
After simplification |
⇒ \$"area of base" = 198/2 \$ ⇒ Area of base = 99 sq.cm |
7 |
Step |
Now plug the values into the volume of triangular prism formula |
\$V = 99 times 32\$ |
8 |
Step |
After simplification |
3168 cu.cm |
9 |
Step |
Therefore, the volume of the triangular prism is \$3168 "cm"^3\$ |
|
10 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
11 |
Choice.A |
This is correct because it match the correct calculation |
3168 cu.cm |
12 |
Choice.B |
This is not correct because it does not match the correct calculation |
3681 cu.cm |
13 |
Choice.C |
This is not correct because it does not match the correct calculation |
3186 cu.cm |
14 |
Choice.D |
This is not correct because it does not match the correct calculation |
3618 cu.cm |
15 |
Answer |
Option |
A |
16 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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