Reflection: Intervention and Extension Human Population Pyramids (2 of 3) - Section 3: EXPLAIN: Population pyramids


The goal here is for students to be explain why a particular shape results in a specific type of growth. For example, the Democratic Republic of the Congo has a wide base that rapidly narrows. Because the majority of the population is under 25 and the largest group is under age 10, this is a population that will grow rapidly as children reach reproductive age.  If students are not able to explain why a specific shape leads to a specific type of growth, the teacher may need to provide additional learning exercises. Here is a supplemental reading that could be used; and here is a more advanced reading.

Additionally, there are some attached RESOURCES that offer an excellent introduction and review of population pyramids. 

  Intervention and Extension: Supporting students ability to make meaning of population pyramid shapes
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Human Population Pyramids (2 of 3)

Unit 4: Populations
Lesson 9 of 16

Objective: Students will be able to 1) construct a population age/gender distribution graph for one of six different countries and 2) make correlations between the shapes of the graphs and the growth patterns of different countries.

Big Idea: Human population growth statistics can describe the past and predict the future. How might we use visualized data tools called population pyramids to understand the implications of differing rates of human population growth in countries around the world?

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Science, demography
  55 minutes
pyramid power
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