Lesson Example Discussion Quiz: Class Homework |
Step-3 |
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 284 decreased by 6%. |
|
2 |
Step |
Firstly, the percent of fractional multiple |
6 % of 284 |
3 |
Step |
The percentage sign % means percent, equivalent to the fraction of \$1/100\$ |
\$(6/100) \times 284\$ |
4 |
Step |
After simplification |
\$(6 \times 284)/100\$ = \$17.04\$ |
5 |
Step |
Subtract the result from Step 3 to the original value |
\$ 284 - 17.04 \$ = \$266.96 \$ |
6 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
7 |
Choice.A |
This is incorrect because it doesn’t consider the correct percentage decrease |
260.96 |
8 |
Choice.B |
This is incorrect.It appears arbitrary, not derived from reducing 284 by 6% |
166.96 |
9 |
Choice.C |
It is correct because it correctly applies the 6% decrease to the original value of 284 |
266.96 |
10 |
Choice.D |
Incorrect indicates a substantial decrease in error in the percentage application |
136.96 |
11 |
Answer |
Option |
C |
12 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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