Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Measurment |
Grade: Best-SAT3 Lesson: S4-P2 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
What percentage of numbers from 1 to 100 have 1 or 8 in the unit’s digit? |
|
2 |
Step |
The numbers between 101 to 150 are |
50 |
3 |
Step |
Count the numbers with 1 or 8 in the units digit |
10 |
4 |
Hint |
\$"Percentage" = ("Count of numbers with 1 or 8 in units digit" / "Total count of numbers") \times 100 \$ |
|
5 |
Step |
Calculate the percentage |
\$"Percentage" = (10/50) \times 100\$ |
6 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
7 |
Choice.A |
This option is correct because it accurately represents the calculated percentage of numbers from 101 to 150 with 1 or 8 in the unit’s digit |
20% |
8 |
Choice.B |
This is incorrect because there are not 30 numbers from 101 to 150 with 1 or 8 in the units digit |
30% |
9 |
Choice.C |
This is incorrect because there are not 25 numbers from 101 to 150 with 1 or 8 in the units digit |
25% |
10 |
Choice.D |
This is incorrect because 10 out of 50 numbers have 1 or 8 in the unit’s digit, not 15% |
15% |
11 |
Answer |
Option |
A |
12 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
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