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Triangle Problems

07 Mar

What are the missing numbers?  What numbers could go in the red boxes? Use the comments on this post to add your answers and discuss what you think?

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8 Comments

Posted by on March 7, 2011 in Maths

 

8 responses to “Triangle Problems

  1. Philip

    March 8, 2011 at 1:33 pm

    Wow at the bottom I think it is 17 top right 14 and top left 21 keep posting more 🙂 🙂

     
  2. TC

    March 8, 2011 at 2:04 pm

    I think that the to 2 are 4 & 5 and the bottom is 7

     
  3. St

    March 8, 2011 at 2:27 pm

    bottem box:17
    left box:21
    right box:14

     
    • mrcobbsclass

      March 8, 2011 at 2:28 pm

      How do you know this is correct? What is the rule to fill in boxes?

       
  4. St

    March 8, 2011 at 2:30 pm

    Add the two numbers together

     
    • mrcobbsclass

      March 8, 2011 at 2:30 pm

      Do you mean the numbers on each corner?

       
  5. sam

    March 8, 2011 at 2:32 pm

    the challenge really made me think

     
  6. ST

    March 14, 2011 at 6:38 pm

    yes

     

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