#1 Unfriendly Numbers
Can you place each of the numbers in one of the circles so that NO two consecutive numbers occupy circles that are connected together by a single line?
KITE:
Use 1, 2, 3, 4, 5
Pentagon:
Use 1, 2, 3, 4, 5
Diamond:
Use 1, 2, 3, 4, 5
Triangle:
Use 1, 2, 3, 4, 5, 6
Fence:
Use 1, 2, 3, 4, 5, 6, 7, 8, 9
Invent some similar puzzles of your own for sharing with classmate
What types of diagram can be solved?
Tweaked from Points of Departure, ATM Published 1989
