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