A desk calendar can be made using two cubes to show the day of the month.

What numbers would be on the faces of the cubes so that each date from 1 to 31 can be displayed?

## A Mathematics Lesson Starter Of The Day

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Topics: Starter | Problem Solving | Puzzles

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Printable nets of the cubes

Use the printable net above to make your orn cube calendar. A cassette case (Are you old enough to remember those?) makes an excellent stand for your cubes.

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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 not-too-distant 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).

Transum.org/go/?Start=December30

Here is the URL which will take them to a different type of calendar net.

Transum.org/Software/Fun_Maths/Calendar.asp

Here is the URL which will take them to a calendar investigation.

Transum.org/go/?to=Tcalendar

Hint: For those of you who do not have a Transum subscription you might be interested to know that the solution to this puzzle involves using a font such that the six, when turned updide down, can also be used as a nine!

For Students:

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