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During autumn the leaves of trees change color from green to yellow, orange and sometimes even dark red. And next they fall down, announcing winter time. Would you like such a leaf carpet in your bedroom?

Children enjoy the great heaps of leaves that have fallen from the trees. But for some persons all these leaves are also a bit problematic. They want to clean the streets and pathways with their blowers. Some trees carry more leaves than others. Some leaves are bigger than others.

What area can be covered with the leaves of one tree? Is it possible to cover a football field with the leaves of a big beech tree? Can a little tree already have anough leaves to create a carpet for your classroom?

Determine the area that can be covered with the leaves of a tree in your neighbourhood. Try to find out what the minimal and maximal area can be covered when looking at different kinds of trees.

This Worksheet is part of the Quartely Problem Series. For more quartely problems and other classroom materials, click here.

Picture Source: https://pixabay.com/photos/nature-forest-trees-autumn-season-6816877/
CC-BY-NC-SA 4.0 licence granted

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Subject
Classroom Materials, Mathematics, QPsM
Year
2019
Topics
Reallife Problems, Problem des Quartals
Guiding ideas /
Content-related competences
Number - Variable - Operation, Measuring, Space and form
Grades
Lower Secondary
Author
Michiel Doorman - Utrecht University; Katharina Flößer - International Center for STEM Education (ICSE)
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