Page 147 - NUMINO Challenge_A1
P. 147
Answer
Key
From the “3” colored square, one square up and one square below 213
can be seen. Therefore, only one square to the right should be seen. 312
There should be a partition wall to the right of center square “1.” 424
Since only two squares can be seen from the “2” colored squares, 213
the partition walls should be placed as shown below. 312
424
Only one square should be seen from the center square. Therefore, the partition wall
should be placed above.
213 213
312 312
424 424
(2) To make sure that three squares can be seen from any of the squares, you should
divide the building into 1 4 rectangles as shown below.
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
The building can also be divided into 3 2 rectangles as shown below.
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
42 NUMINO Challenge A1
Key
From the “3” colored square, one square up and one square below 213
can be seen. Therefore, only one square to the right should be seen. 312
There should be a partition wall to the right of center square “1.” 424
Since only two squares can be seen from the “2” colored squares, 213
the partition walls should be placed as shown below. 312
424
Only one square should be seen from the center square. Therefore, the partition wall
should be placed above.
213 213
312 312
424 424
(2) To make sure that three squares can be seen from any of the squares, you should
divide the building into 1 4 rectangles as shown below.
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
The building can also be divided into 3 2 rectangles as shown below.
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
333 3 333 3
42 NUMINO Challenge A1
