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We're off to somewhere unusual for our maths today - the highlands of the Kahuzi-Biega National Park in the Democratic Republic of the Congo, a nation in Africa.

It's a UNESCO World Heritage Site and specially protected, for good reason, as it's one of the last homes of the Eastern lowland gorilla. 

 

Unfortunately the Congo region was ravaged by war during the 1990s, and illegal poachers took advantage of the chaos to enter the park and hunt the gorillas, leading to a fall in their numbers. Since the year 2000, the poaching crisis has been tackled and humans are kept away.

 

Here's a table of their population and the year.

Year

Number of gorillas in the park

1978

223

1990

258

1996

245

2000

130

2004

168

2010

181

2015

213

 

Can you draw a line graph which shows the decline and recovery of these amazing animals? We've looked at line graphs before - yesterday for example - but in case you need a crash course have a look at this at this link and the steps to success

  • A Title
  • Vertical scale with tick marks and labels
  • Horizontal scale with tick marks and labels
  • Data points connected by lines

https://www.mathsisfun.com/data/line-graphs.html

 

 

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