This is a level 4 geometry strand activity from the Figure It Out series.
A PDF of the student activity is included.
Click on the image to enlarge it. Click again to close. Download PDF (369 KB)
use compass directions and scale drawings
FIO, Level 4, Geometry, Book One, Treasure Island, page 22
Copymaster of Treasure Island map
map
classmate
This activity goes beyond the previous activity in asking students to locate a series of connected points, using bearings and distances, as they would in orienteering. It gives them further practice using a protractor and stating bearings clockwise from north as well as working with scale distances. It also creates a context in which accuracy is very important. The cumulative effect of small inaccuracies in each clue will mean that the instructions are worthless and that the treasure will be lost forever!
When planning where to leave the clues, the students should:
Each clue must have:
Example:
If your students enter into the spirit of the activity and want to invent cryptic verses or lines to go with their clues, that's fine.
Question 2 involves the students swapping their clues with a classmate and seeing if they can locate the spot where the treasure is buried. For them to succeed:
As an extension activity, your students could investigate orienteering. They will find a useful introduction on this website: www.us.orienteering.org/OYoung
1. a.-b. Practical activity. Clues will vary.
2. Practical activity
Printed from https://meaningfulmaths.nt.edu.au/mmws/nz/resource/treasure-island at 10:33pm on the 26th February 2024