My first is in shape and also in space;

My second is in line and also in place;

My third is in point and also in line;

My fourth in operation but not in sign;

My fifth is in angle but not in degree;

My sixth is in glide but not symmetry;

My seventh in round but not in square;

My last is in patterns you see everywhere;

My whole is a polygon, regular not wide;

But what is the sum of the angles inside?

## A Mathematics Lesson Starter Of The Day

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Topics: Starter | Geometry | Riddles | Shape

• Transum,
•
• This form of a riddle or word puzzle used to be more popular than it is today. The structure of the riddle is that each line (the first seven lines in this case) gives a clue to a single letter of the answer. The last line (the eighth line in this case) then gives a clue to the complete answer.
You can work out from line one that the first letter of the answer occurs in the word ‘starter’ and also in the word ‘space'. By process of elimination you can see that the first letter of the answer must be S, A or E.
Work through the other lines of the riddle to determine what the other letter possibilities and then you are well on your way to solving the riddle.
• Christine Oldham, City College Coventry
•
• Third letter - in point but NOT in line to make septagon.

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## Extension Activities

Can you make up a similar riddle for a different polygon?

Can you fold an A4 sheet of paper to form a regular pentagon?

Your access to the majority of the Transum resources continues to be free but you can help support the continued growth of the website by doing your Amazon shopping using the links on this page. Below is an Amazon search box and some items chosen and recommended by Transum Mathematics to get you started.

 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=March28

Here is the URL which will take them to a polygon naming activity.

Transum.org/go/?to=polygons