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Cross-Country Cost Comparison: Ratio and Fraction

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  • Price per Classroom$3.00
  • Grade Levels 6, 7, 8
  • Topics Fractions, Ratios & Proportions
  • Duration 20 Minutes
  • Auto Scored? No
  • Teacher Evaluation Needed? No

Activity Description

In this engaging and hands-on worksheet activity, students step into the role of the CEO of a manufacturing company. Their mission is to make informed decisions about sourcing raw materials from three different countries: Japan, the UK, and Germany. Students will use the knowledge of ratios, unit rates, and fractions to convert currency from different countries into USD by looking up the exchange rates table.


The activity is designed to reinforce critical math concepts, specifically ratios, unit rates, and fractions, while also introducing students to the practical side of mathematical analysis.

Learning Objective

The primary learning objective of this interactive worksheet activity is to enable students to comprehend and apply the concepts of ratios and fractions in the context of unit rates while engaging in a real-world scenario as a manufacturing company CEO.

They will learn how to compare and contrast the costs of raw materials in different countries, involving the additional skill of currency conversion to USD.

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 ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

Ratios & Proportions

Solve unit rate problems including those involving unit pricing and constant speed. *For example, if it took 7 hours to mow 4 lawns, then at that rate, how many lawns could be mowed in 35 hours? At what rate were lawns being mowed?*

Ratios & Proportions

Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when multiplying or dividing quantities.

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  • Price per Classroom$3.00
  • Grade Levels 6, 7, 8
  • Topics Fractions, Ratios & Proportions
  • Duration 20 Minutes
  • Auto Scored? No
  • Teacher Evaluation Needed? No