Windmill

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

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Topics: Starter | Arithmetic | Investigations | Problem Solving

Glenroy Placide, Primrose Hill Camden School UK
Friday, December 08, 2006
"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
Monday, April 04, 2011
"Used this as my starter today. It was challenging but two pupils found a solution with a total of 13.
7
2 6 5
4 1 8
3."
7ab/M3 Maths Class, King Alfred's College
Thursday, April 07, 2011
"Rebecca was first to find this one:
7
284
536
1."
9 S 5, Kettlethorpe High School
Friday, April 08, 2011
"Wasim found a 12 total
4
7 3 2
1 6 5
8."
Mr Lynch, Hackbridge Primary
Saturday, July 09, 2011
"Used in my top set year 4 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
Monday, April 30, 2012
"We found a total of 15 too!
Great starter, caused lots of useful discussion!
3
528
645
7."
John Wilson, Clydeview Academy
Monday, May 21, 2012
"Mr Chamberlain. Check your answer!"
Mr.Peers, Kelbrook Primary School
Wednesday, June 20, 2012
"We found two solutions
2
715
463
8
total of 13
7
185
437
2
total of 14
my year 3/4 class enjoy these challenges."

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This starter has scored a mean of 3.4 out of 5 based on 92 votes.

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The answers to this starter can be found on a different page so that you can give students access to this page to work on. We're guessing the students haven't studied calculus yet so here's the secret way the teacher can get to the answers. Differentiate the expression below and type the answer here:


	Teacher, do your students have access to computers? Do they have Laptops in Lessons or iPads? Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).