Freebie resource:

Lesson note with example plus task and answer key about calculating investments using compound interest formula  in Google Slides

Level of Difficulty: Beginner (Easy)

Grades: 9th to 12th

Outcomes:

Students calculate savings and investments using compound interest formula

Prior Knowledge:

Students should have already studied decimals  and percentages.

Also suitable for Australian Curriculum

Solve problems involving simple interest (ACMNA211)

Connect the compound interest formula to repeated applications of simple interest using appropriate digital technologies (ACMNA229)

apply percentage increase or decrease in various contexts; for example, determining the impact of inflation on costs and wages over time, calculating percentage mark-ups and discounts, calculating GST, calculating profit or loss in absolute and percentage terms, and calculating simple and compound interest (ACMGM006)

More lesson notes with examples and more worksheets about this lesson:

Calculating investments using compound interest  formula with a variety of compounding periods.

• Inprintable PDF
• In Google Slides format