Six Discrimination

The six button has dropped off!

How could the calculations on the right be done using this calculator?

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Calculations


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Topics: Starter | Arithmetic | Calculator | Mental Methods | Problem Solving

  • Transum,
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  • The calculator above is interactive and the calculations on the right of the calculator will change colour when the answer appears on the calculator screen. There are of course an infinite number of possible solutions and you as teacher will have the final say on how legitimate, efficient or creative suggested solutions are.
  • Transum,
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  • This page is designed for whole class as a projected lesson starter. If you would like your students to work on this activity on their own iPads, laptops or tablets then the link at the bottom of this page will take you to the pupil version. This version has been updated so that the calculations are different every time the page is loaded and a Transum Trophy is available for completing it. Suggested solutions are available for Transum subscribers.

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This starter has scored a mean of 3.2 out of 5 based on 313 votes.


Previous Day | This starter is for 2 October | Next Day

 

Answers

Here are some possible solutions though of course there are many more:
59996 + 8006 = 59995 + 8007
559 - 256 = 558 - 255
255 x 36 = 255 x 18 x 2
25% of 560 = 0.5 x 280
45 x 1/6 = 45 ÷ 2 ÷ 3
0.16 x 23.66 = 0.08 x 47.32
266 = 13 x 13 x 13 x 13 x 13 x 13 x 32 x 2



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...

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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=October2

Here is the URL which will take them to a student version of this activity.

Transum.org/go/?to=Six

Student Activity

 


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