Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Percentage Decrease |
Grade: 1300-a Lesson: S4-L4 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find 250 decreased by 2%. |
|
2 |
Step |
Firstly, the percent of fractional multiple |
2 % of 250 |
3 |
Step |
The percentage sign % means percent, equivalent to the fraction of \$1/100\$ |
\$(2/100) \times 250\$ |
4 |
Step |
After simplification |
\$(2 \times 250)/100\$ = \$5\$ |
5 |
Step |
Subtract the result from Step 3 to the original value |
\$ 250 - 5 \$ = \$245\$ |
6 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
7 |
Choice.A |
It is correct as it accurately reflects a 2% decrease from the original number(250) |
245 |
8 |
Choice.B |
This option is incorrect. It represents a decrease of only 1.6%, not 2% |
248 |
9 |
Choice.C |
This option is incorrect. It represents no decrease; it’s the original number |
250 |
10 |
Choice.D |
This option is incorrect. It represents an increase of 1.6%, not a decrease of 2% |
252 |
11 |
Answer |
Option |
A |
12 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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