Math Arguments

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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Item 74

Hexagon Puzzle

Why did the puzzle creator only ask for circles A and B?




In the diagram, the 19 circles are to contain the integers 1 to 19 once each.

The sum total along any of the lines is 38.

Determine the integers in circles A and B.


Is it possible to find the rest of the circles, too?


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Puzzle
Five Triangles
LOGIC

Source: Five Triangles
Another puzzle from Five Triangles.
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