A directory of useful objects found on the web for teaching Maths.
Activity, Problem, Puzzle, Publisher, TEDEd, Video, YouTube
You’ve stealthily descended into the darkness of a vampire cave, setting a sequence of mirrors as you go. When the sun reaches the right angle in the sky, a beam of light will ricochet along the mirrors, strike a diffuser, and illuminate the great chamber where the vampires sleep. Can you place the diffuser correctly and flood the lair with sunlight?
3 February 2019 Edit: 3 February 2019
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