Arrange the numbers on the yellow tiles so that the sum of the numbers in the vertical line is the same as the sum of the numbers in the horizontal line
How many different ways are there of doing this task?
A selfchecking, interactive version of this activity with 30 different puzzles is
here.
Answers
Here are all of the 36 possible solutions.
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Hello World
You are buying a (driverless) car. One vehicle is programmed to save as many lives as possible in a collision. Another promises to prioritize the lives of its passengers. Which do you choose?
Welcome to the age of the algorithm, the story of a nottoodistant future where machines rule supreme, making important decisions – in healthcare, transport, finance, security, what we watch, where we go even who we send to prison. So how much should we rely on them? What kind of future do we want?
Hannah Fry takes us on a tour of the good, the bad and the downright ugly of the algorithms that surround us. In Hello World she lifts the lid on their inner workings, demonstrates their power, exposes their limitations, and examines whether they really are an improvement on the humans they are replacing. more...




Teacher, do your students have
access to computers? Do they have iPads or Laptops in Lessons?
Whether your students each have a TabletPC, a Surface or a Mac,
this activity lends itself to eLearning (Engaged Learning). 

Here a concise URL for a version of this page without the comments.
Transum.org/go/?Start=February3
Here is the URL which will take them to a related student activity.
Transum.org/go/?to=plane