Unmagic Square

A Maths Starter Of The Day

Arrange the numbers in the blue cells to make an unmagic square.
The totals of each row, column and diagonal should all be different.

Congratulations that is correct!

Are there any other ways to make an umagic square using these numbers?

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Your answer is not correct.

Not all of your totals are different. Press the Clear button and try again.

 

 

 

 

 

 

 

 

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Starter of The Day Transum Mathematics Topics


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Topics: Starter | Arithmetic | Problem Solving

  • Ceri Thomas, Cardiff High School
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  • After solving the problem with the digits 1 to 9 try with
    (1) any 9 consecutive digits
    (2) any 9 consecutive multiples
    (3) any 9 evenly spaced decimals
  • Transum,
  •  
  • You can adapt this starter for your particular class by choosing to put some of the numbers for a particular solution in place (see answers below) and the students simply have to complete the square with the remaining numbers. If you then decide to use this starter with the same class on a different day you could choose number placings for a different solution and as there are 24960 different solutions that should keep you going for a long time!

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This starter has scored a mean of 3.2 out of 5 based on 338 votes.

Previous Day | This starter is for 24 September | Next Day

 

Answers

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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=September24

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

Transum.org/go/?Num=26

Student Activity

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Magic Square

This is the well-worn and time-honoured puzzle. Each row, column and diagonal have the same sum.

The short web address is:

Transum.org/go/?to=magic
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Latin Square Puzzles

Latin Square Puzzles

Arrange the given digits to make a Latin square with the given row and column calculation results.

The short web address is:

Transum.org/go/?to=latinsqpuzz
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Magic Square Puzzle

Magic Square Puzzle

Find all of the possible ways of making the magic total from the numbers in this four by four magic square.

The short web address is:

Transum.org/go/?Num=425
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