Broken Calculator (2,3)

Use the keys on this broken calculator to make the totals from one to ten. Five has already been done as an example.





1 =
2 =
3 =
4 =
5 =
6 =
7 =
8 =
9 =
10 =

Awesome!

Smile

Try the pupil version of this activity at:

Transum.org/go/?to=Broken

A Mathematics Lesson Starter Of The Day

More broken calculators at:    Transum.org/go/?to=Broken


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Topics: Starter | Arithmetic

  • Carla Libanati, London
  •  
  • This is an excellent way to make pupils think out of the box!
  • Mr. Poate, Whitecross
  •  
  • Simple and easy, could do with more of a challenge. Top set year 9.
  • Mrs Lingham's Year 8's, Harpenden
  •  
  • We enjoyed this starter but would like a plus sign please!!!!!
  • A Kirby, Solihull. UK
  •  
  • This was really well recieved by my 16 year olds. They wrote all possible solutions down on paper and we incorporated BIDMAS. They were frustrated by the lack of a + sign but this made them think outside the box.
  • Transum,
  •  
  • For many years I actually had a broken calculator just like this! It was an old cheap calculator that I'd pulled some buttons off. It made an excellent visual aid and stimulus for this activity. There are a number of different versions of the broken calculator activity on Transum that you can reach by clicking on the link lower down this page.
  • Mr Tilston, Twitter
  •  

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This starter has scored a mean of 3.7 out of 5 based on 376 votes.


Previous Day | This starter is for 5 January | Next Day

 

Answers



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=January5

Here is the URL which will take them to a related student activity.

Transum.org/go/?to=broken

Student Activity

 


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