Page 39 - NUMINO Challenge_C2
P. 39
Type 4-1 Placing Dominos
Using the diagram below, show how the grid can be completely
covered with dominos. If it is not possible, explain why.
a domino piece
1 Color the grid like a chessboard, alternating squares of black and white.
How many white squares are there? How many black squares are there?
2 When a domino piece is placed on the grid shown in 1 , what is the
number of black and white squares reduced?
3 What should be the difference between the number of black squares and
the number of white squares to cover the grid?
4 Can the grid above be completely covered with dominos? Explain how. If it
cannot be completely covered, explain why.
36 NUMINO Challenge C2
Using the diagram below, show how the grid can be completely
covered with dominos. If it is not possible, explain why.
a domino piece
1 Color the grid like a chessboard, alternating squares of black and white.
How many white squares are there? How many black squares are there?
2 When a domino piece is placed on the grid shown in 1 , what is the
number of black and white squares reduced?
3 What should be the difference between the number of black squares and
the number of white squares to cover the grid?
4 Can the grid above be completely covered with dominos? Explain how. If it
cannot be completely covered, explain why.
36 NUMINO Challenge C2
