Arrange the numbers on the yellow tiles so that the sum of the numbers in the vertical line is the same as the sum of the numbers in the horizontal line
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6
How many different ways are there of doing this task?
A selfchecking, interactive version of this activity with 30 different puzzles is here.
Topics: Starter  Arithmetic  Number  Problem Solving
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Previous Day  This starter is for 3 February  Next Day
Here are all of the 36 possible solutions.
2  
1  5  3  4 
6 
2  
1  5  4  3 
6 
2  
3  5  1  4 
6 
2  
3  5  4  1 
6 
2  
4  5  1  3 
6 
2  
4  5  3  1 
6 
4  
1  3  2  6 
5 
4  
1  3  6  2 
5 
4  
2  1  3  5 
6 
4  
2  1  5  3 
6 
4  
2  3  1  6 
5 
4  
2  3  6  1 
5 
4  
3  1  2  5 
6 
4  
3  1  5  2 
6 
4  
5  1  2  3 
6 
4  
5  1  3  2 
6 
4  
6  3  1  2 
5 
4  
6  3  2  1 
5 
5  
1  3  2  6 
4 
5  
1  3  6  2 
4 
5  
2  3  1  6 
4 
5  
2  3  6  1 
4 
5  
6  3  1  2 
4 
5  
6  3  2  1 
4 
6  
1  5  3  4 
2 
6  
1  5  4  3 
2 
6  
2  1  3  5 
4 
6  
2  1  5  3 
4 
6  
3  1  2  5 
4 
6  
3  1  5  2 
4 
6  
3  5  1  4 
2 
6  
3  5  4  1 
2 
6  
4  5  1  3 
2 
6  
4  5  3  1 
2 
6  
5  1  2  3 
4 
6  
5  1  3  2 
4 
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