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.
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.