326 million years ago, there were extra large millipedes. How large were they?

Factful math: Grade 3rd-5th

Math skills: fractions

Related Environmental issues: Biodiversity / Deforestation

A 326 million-year-old fossil of extra large millipedes was found in the north of England.

Scientists found a 75cm-long segment of the extra large millipedes.

HoIt was 5/18 of the total body. How long was the extra large millipedes?

ANSWER 270cm or 2.7m


□ x 5/18 = 75cm

□ = 75 / 5/18

□ =270cm = 2.7m

Source: euronews.green. Giant millipedes ‘as big as cars’ once roamed the UK, experts find.




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