Spinsum

Arrange the numbers on the squares so that the totals along each line of three squares are equal.

How many different ways can this be done?

1

2

3

4

5

6

7

8

A Mathematics Lesson Starter Of The Day

The student (self checking) version of Spinsum is at Transum.org/go/?to=Spinsum

Was this too easy? Here are some harder Spinsum puzzles:


Topics: Starter | Arithmetic | Investigations | Problem Solving

  • Glenroy Placide, Primrose Hill Camden School UK
  •  
  • Haven't used it as yet but intend to soon. Looks interesting and would motivate pupils to engage and enjoy maths.
  • Mrs Watson, Marsden Primary
  •  
  • Used this as my starter today. It was challenging but two pupils found a solution with a total of .



    .
  • 7ab/M3 Maths Class, King Alfred's College
  •  
  • Rebecca was first to find this one:



    .
  • 9 S 5, Kettlethorpe High School
  •  
  • Wasim found a total



    .
  • Mr Lynch, Hackbridge Primary
  •  
  • Used in my top set year class this week, many gave up but I was delighted with Tia who stuck at it and found a solution, a real mathematician.
  • Mr Chamberlain, St Peter And St Pauls Primary School - Syston
  •  
  • We found a total of too!
    Great starter, caused lots of useful discussion!



    .
  • John Wilson, Clydeview Academy
  •  
  • Mr Chamberlain. Check your answer!
  • Mr.Peers, Kelbrook Primary School
  •  
  • We found two solutions




    total of




    total of
    my year / class enjoy these challenges.
  • Keaton, 9c3
  •  
  • Keaton R you have won!!! Amazing!! see what you can do when you try!!
  • Mrs Lewsey, Prep School
  •  
  • We did it! Shauna and Sihyeon made different totals of and .

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.
Click here to enter your comments.

Previous Day | This starter is for 8 April | Next Day

 


Answers are available to teachers, tutors and parents.
Sign In or Create an Account

A Transum subscription also gives you access to the Class Admin student management system, downloadable worksheets, many more teaching resources and opens up ad-free access to the Transum website for you and your pupils.



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 link. As an Amazon Associate I earn a small amount from qualifying purchases which helps pay for the upkeep of this website.

Educational Technology on Amazon

 

Online Maths Shop

Laptops In Lessons

Teacher, do your students have access to computers such as tablets, iPads or Laptops?  This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:

Transum.org/go/?Start=April8

However it would be better to assign one of the student interactive activities below.

Laptops In Lessons

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

Transum.org/go/?to=Spinsum

Student Activity

 


Transum.org is a proud supporter of the kidSAFE Seal Program