Page 66 - NUMINO Challenge_B1
P. 66
Problem solving
1 A colored acrylic board is placed on top of a Key Points
number board as shown below. If the acrylic board
is rotated and then flipped upside down, what Color the shape of
will be the sum of the numbers that are covered by the acrylic board
the colored acrylic board? when it is moved as
instructed on the
number board.
12345 12345
6 7 8 9 10 6 7 8 9 10
11 12 13 14 15 11 12 13 14 15
16 17 18 19 20 16 17 18 19 20
21 22 23 24 25 21 22 23 24 25
12345
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
2 In the box below, there are 3 sheets of Overlap transparent
transparent film, with 2 colored squares. When film sheets in
the 3 sheets overlap, there can be a maximum of various ways to get
6 and a minimum of 2 colored squares as shown the most and least
in the box below. If 3 sheets of transparent film, number for colored
each with 5 colored squares, overlap, what will squares.
be the most and least numbers for the colored
squares?
Most Least
63Geometry
1 A colored acrylic board is placed on top of a Key Points
number board as shown below. If the acrylic board
is rotated and then flipped upside down, what Color the shape of
will be the sum of the numbers that are covered by the acrylic board
the colored acrylic board? when it is moved as
instructed on the
number board.
12345 12345
6 7 8 9 10 6 7 8 9 10
11 12 13 14 15 11 12 13 14 15
16 17 18 19 20 16 17 18 19 20
21 22 23 24 25 21 22 23 24 25
12345
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
2 In the box below, there are 3 sheets of Overlap transparent
transparent film, with 2 colored squares. When film sheets in
the 3 sheets overlap, there can be a maximum of various ways to get
6 and a minimum of 2 colored squares as shown the most and least
in the box below. If 3 sheets of transparent film, number for colored
each with 5 colored squares, overlap, what will squares.
be the most and least numbers for the colored
squares?
Most Least
63Geometry
