Texting

As Mary wasn't at school today, her teacher decided to send her the homework by text message using his old mobile phone. Unfortunately the teacher did not know how to use the predictive text facility so the wrong words were sent. Can you figure out the correct answers?

Predictive Text entry, allows you to enter text by pressing only one key per letter. As you enter a word, the phone will automatically compare all of the possible letter combinations against a built in dictionary of words, and determine which word you intended to type. When it guesses incorrectly, you will get the type of result seen here. Other words have been substituted for the ones we want.

Phone

A Mathematics Lesson Starter Of The Day


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Topics: Starter | Problem Solving

  • Mr.Whiitick, Castnf Primary
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  • Wow my Maths set of Year 5s really got stuck. Good Maths starter but hard!
  • Year 8, MSJ
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  • Really good, clever idea. some students found the concept hard.
  • 6S, Cambridge Primary
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  • Once we'd got the idea of it, we found this cool!! Our teacher helped us a bit!
  • Tom Nick, Wellington College
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  • EPIC Puzzle. Very fun.
  • Bob Casel, Mount Cook School
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  • Logicly Speaking the 3 can be a 4 making this into a maths paradox
    but on the other hand decimly it will be a 3 being a 4x4=16.
  • 5th Class, Cloghroe National School, Co. Cork, Ireland
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  • This was good fun, but quite difficult. It took a quarter of an hour for most of the class to get the answer. It was well worth doing.
  • P6/7 St Elizabeth,
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  • Fantastic! P6/7 loved the problem and once we understood the concept we found it really easy!
  • Transum,
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  • Just wondering for how many more years will this starter be relevant. The photograph is an old phone and the newer phones don’t require predictive text as they provide a full keyboard. The comments above suggest that you like this starter but happy to replace it with something more up to date if you think pupils won’t relate to this.
  • Y5, Willen
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  • We got half if it but now we are stuck - where are the answers?

    [Transum: Keep trying Year 5. There answers are available to teachers and appear lower down this page when the teacher is signed in.]

How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
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This starter has scored a mean of 3.2 out of 5 based on 247 votes.


Previous Day | This starter is for 27 February | Next Day

 

Answers

Words produced by the same combination of keypresses are often referred to as "textonyms". This was the method coded messages were sent in the Sam Bourne novel "The Righteous Men".

The Righteous Men is also available as an audio book.

Alternative Answers

Online Maths Shop

Laptops In Lessons

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).

Laptops In Lessons

Here a concise URL for a version of this page without the comments.

Transum.org/go/?Start=February27



Casio Classwiz Calculator

There is currently a lot of talk about this new calculator being the best in its price range for use in the Maths classroom. The new ClassWiz features a high-resolution display making it easier to view numerical formulas and symbols but it isn't a graphical calculator as such (it has the capacity to draw graphs on your smart phone or tablet, via a scannable QR code and an app).

As well as basic spreadsheet mode and an equation solving feature you also get the ability to solve quadratic, cubic or quartic polynomial inequalities and the answer is given just as it should be written down, using the correct inequality symbols!

This calculator has a high-performance processor and twice the memory of previous models ensuring speedy operation and superior computational power.more...

Online Maths Shop

Laptops In Lessons

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).

Laptops In Lessons

Here a concise URL for a version of this page without the comments.

Transum.org/go/?Start=February27

Here is the URL which will take them to a related activity on code breaking.

Transum.org/go/?to=code

Student Activity

 


Apple

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