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Simple Interest: Saving for your dream house

(*)(*)(*)(*)(*) ( 5.0, 24 students)
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  • Price per Classroom$2.00
  • Grade Levels 6, 7, 8, 9, 10
  • Topics Numbers & Operations, Fractions, Ratios & Proportions, Saving, Investment
  • Duration 20 Minutes
  • Auto Scored? Yes
  • Teacher Evaluation Needed? No

Activity Description

This activity is designed to introduce middle school students to the concept of simple interest and its application in financial planning. Through this activity, students will learn how percentages and the simple interest formula can help them make informed decisions about saving and investing.

During the activity, students will explore a scenario where they want to save for the down payment for their dream house. They will learn how to calculate simple interest by applying the formula: Simple Interest = Principal * Rate * Time. Students will also encounter variations of the formula, such as finding the principal or determining the required interest rate when the target amount is given.

The activity encourages students to apply their knowledge of percentages, decimal operations, and problem-solving skills



Learning Objective

The learning objectives are:

  1. Understand the concept of simple interest and its application in real-world scenarios.
  2. Apply the concept of percentages to calculate simple interest.
  3. Develop proficiency in using the formula for calculating simple interest: Simple Interest = Principal * Rate * Time.
  4. Enhance problem-solving skills by solving practical problems related to saving, investing, and financial planning
  5. Interpret and analyze the relationship between principal, interest rate, and time to make informed financial decisions.

Teacher Tips

Included with the activity, you can view the tips to clarify student's doubts or to evaluate answers (for a teacher scored worksheet).

Common Core: MATH

Ratios & Proportions

Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.

Expressions & Equations

Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

Expressions & Equations

Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y = mx for a line through the origin and the equation *y* = *mx* + *b* for a line intercepting the vertical axis at *b*.

Creating Equations

Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.

Reasoning with Equations & Inequalities

Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables.

Seeing Structure in Expressions

Choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression.

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  • Price$2.00
  • Grade Levels 6, 7, 8, 9, 10
  • Topics Numbers & Operations, Fractions, Ratios & Proportions, Saving, Investment
  • Duration 20 Minutes
  • Auto Scored? Yes
  • Teacher Evaluation Needed? No

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