Grade level: 5th – 6th grades
Skills: Percent change
Environmental Subject: Climate Change
Hurricane Delta strengthened at the record-breaking rate. Its maximum wind speed jumped from 35 to 130 miles per hour in 36 hours from Sunday night, October 4, 2020.
What is the percent increase of the Delta’s wind speed?
- 0.73%
2. 2.71%
3. 73%
4. 271%
ANSWER: 4
(130-35)/35×100=271
Source: The Weather Channel
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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) Published: March 26, 2020 Price: $6.25