Tool TriangleLevel 6

Drag the numbers into the yellow cells so that the totals along each side of the triangle are the same.

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26

34

1

12

23

37

This is Tool Triangle level 6. You can also try:
Level 1 Level 2 Level 3 Level 4 Level 5 Random

There is a printable worksheet to go with this activity.

Worksheet

 

What if there were nine digits to place on the sides of the triangle? See Triside Totals:

 

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"Thank you so much for your wonderful site. I have so much material to use in class and inspire me to try something a little different more often. I am going to show my maths department your website and encourage them to use it too. How lovely that you have compiled such a great resource to help teachers and pupils.
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Teachers

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