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Simple Interest & Percent Change (Set 2) Worksheet

Grade 7 Math · printable worksheet (PDF) with answer key · 14 problems · CCSS 7.RP.A.3

A printable grade 7 simple interest & percent change (set 2) practice worksheet with 14 problems and a complete, step-by-step answer key — formatted to print cleanly on standard paper. Included in the one-time $20 unlock for the full NudgeLearn library.

Sample problems

Show your work. Use $I = P r t$ for interest (write the rate as a decimal), and find percent change with $\frac{amount of change}{original}$ . Round money to the nearest cent.

1. Write each percent as a decimal: $9%$ , $2.5%$ , and $150%$ .
2. Find the simple interest on a $$700$ deposit at a $3%$ annual rate for $2$ years.
3. A number increases from $60$ to $75$ . What is the percent increase?
4. A price drops from $$120$ to $$90$ . What is the percent decrease?

Plus 10 more problems and a full answer key in the PDF.

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