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

ANSWER: Numbers may rotate around the triangle, but the 1, 4, and 7 must always be placed in the corners.

ReplyDelete1

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.