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Step-5

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 220 increased by 10%.
2	Step	Firstly, the percent of fractional multiple	\$10% of 220\$
3	Step	The percentage sign % means percent, equivalent to the fraction of \$1/100\$	\$(10/100) \times 220\$
4	Step	After simplification	\$(10 \times 220)/100\$ = \$22\$
5	Step	Add the result from Step 3 to the original value	\$ 220 + 22 \$ = \$242\$
6	SumUp	Can you summarize what you’ve understood in the above steps?
7	Choice.A	This option is incorrect.Adding 10% to 220 results in 242, not 245	245
8	Choice.B	This option is incorrect.Adding 10% to 220 results in 242, not 244	244
9	Choice.C	This option is incorrect.Adding 10% to 220 results in 242, not 243	243
10	Choice.D	This value is correct as it represents a 10% increase in 220	242
11	Answer	Option	D
12	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find 220 increased by 10%.

Step

Firstly, the percent of fractional multiple

\$10% of 220\$

Step

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

\$(10/100) \times 220\$

Step

After simplification

\$(10 \times 220)/100\$ = \$22\$

Step

Add the result from Step 3 to the original value

\$ 220 + 22 \$ = \$242\$

SumUp

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

Choice.A

This option is incorrect.Adding 10% to 220 results in 242, not 245

245

Choice.B

This option is incorrect.Adding 10% to 220 results in 242, not 244

244

Choice.C

This option is incorrect.Adding 10% to 220 results in 242, not 243

243

Choice.D

This value is correct as it represents a 10% increase in 220

242

Answer

Option

SumUp

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