Friday, September 14, 2012

Challenge Problem 9/17-9/21

Here's this week's challenge problem! Solve this problem with family or friends and bring your answer to class. Remember to turn it in (with your NAME) to the clear box in the classroom. All answers are due by the end of the school day on Friday. Good Luck and Happy Solving!!

Place the digits 1 through 9 in the spaces so that each side of the triangle equals 19.

1 comment:

  1. ANSWER: Numbers may rotate around the triangle, but the 1, 4, and 7 must always be placed in the corners.
    5 8
    9 3
    4 2 6 7
    Begin by making a list of the sets of four numbers that equal 19. Then guess and test for the correct order.