How much did the cost of an egg increased?

Grade level: 4th – 6th grades

Skills: Division (decimals) 

Related environmental issues: Others

The Coronavirus outbreak has affected the availability of many products such as toilet paper, hand sanitizers, and flu medicine. It has also affected the price of some foods such as eggs.

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  1. The cost of a dozen eggs increased from $1.00 to $3.44 at a grocery store in California. How much did the cost of an egg increased? Round to the nearest cent.
  2. The cost of 60-count carton of eggs increased from $4.74 to 15.91 at a grocery store in Oklahoma. How much did the cost of an egg increased? Round to the nearest cent.
  3. An egg in which state costs more now, California or Oklahoma?

 

 

Source: Los Angles Times (April 24, 2020) Nation’s largest egg producer accused of price gouging up to 300% during pandemic.

Oklahoma News 4 (April 24, 2020)Oklahoma shoppers shocked by price of eggs.

 

 

 

Answer keys

1. 20 cents [(3.44-1)/12 = 0.20]
2. 19 cents [(15.91-4.74)/60 = 0.19]
3. California [California: 3.44/12 = 0.29 /  Oklahoma: 15.91 / 60 = 0.27]

 

Factful Environmental Math Problems (2020)

Just published and now available from Amazon  (paperback)

About this book

The objective of Factful Environmental Math Problems is to cultivate our young people’s skills to analyze and evaluate fact-based data for understanding our world, while improving their math skills and critical thinking skills.

With the rise of the Internet and new technology, building skills to analyze and evaluate fact-based data becomes increasingly important for our young people to prepare for this rapidly changing world. These skills minimize their chances of being brainwashed by false information and making uninformed decisions and ultimately help develop their critical thinking skills. (Read more)

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Published: March 26, 2020

Price: $6.25