Page 40 - NUMINO Challenge_C2
P. 40
Problem solving Key Points

1 Which of the following grids can be completely Color the grid like a
covered with dominos, like the one in the box? chessboard,
alternating squares
of black and white.
Find the grid with
the same number of
black and white
squares.

2 All the students want to change their seats. Use different colors
Students can move only to the seat directly in to color the original
front, directly behind, or right next to their current seats and the new
seat, as shown in the example. Show how every seats.
student can move to another seat. If it is not
possible, explain why.

Example C DCF
AB

DEF ABE

ABC
DEF
GH I

37Words and Logic
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