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Step-1

Title: Percentage Increase

Grade: 1300-a Lesson: S4-L3

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	Find 200 increased by 10%.
2	Step	Firstly, the percent of fractional multiple	\$10 % of 200\$
3	Step	The percentage sign % means percent, equivalent to the fraction of \$1/100\$	\$(10/100) \times 200\$
4	Step	After simplification	\$(10 \times 200)/100\$ = \$20\$
5	Step	Add the result from Step 3 to the original value	\$ 200 + 20 \$ = \$220\$
6	SumUp	Can you summarize what you’ve understood in the above steps?
7	Choice.A	It is correct because it correctly represents 200 increased by 10%	220
8	Choice.B	Incorrect. Adding 10% to 200 should result in 220, not 210	210
9	Choice.C	Incorrect. The original value does not include any increase	200
10	Choice.D	Incorrect. The result of calculating 10% of 200 but does not add it to the original value	20
11	Answer	Option	A
12	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find 200 increased by 10%.

Step

Firstly, the percent of fractional multiple

\$10 % of 200\$

Step

The percentage sign % means percent, equivalent to the fraction of \$1/100\$

\$(10/100) \times 200\$

Step

After simplification

\$(10 \times 200)/100\$ = \$20\$

Step

Add the result from Step 3 to the original value

\$ 200 + 20 \$ = \$220\$

SumUp

Can you summarize what you’ve understood in the above steps?

Choice.A

It is correct because it correctly represents 200 increased by 10%

220

Choice.B

Incorrect. Adding 10% to 200 should result in 220, not 210

210

Choice.C

Incorrect. The original value does not include any increase

200

Choice.D

Incorrect. The result of calculating 10% of 200 but does not add it to the original value

Answer

Option

SumUp

Can you summarize what you’ve understood in the above steps?