Page 148 - NUMINO Challenge_C1

Creative Thinking p.40~p.41 4 The line passes through all the squares that are

1 4321 4 on the horizontal and vertical rows with ‘6’.
4321 4 4 Using the given number, mark the squares
where the line cannot pass and where it can
34 34 pass through, and connect the starting and
21 finishing points.
21

4321 4 2 13 4 6 6
4 4321 4 6 Start 6 Start
3 41 2 1 1
3 1 43 3 1243 3 3
4 4
21 21 1 Finish 1 Finish

2 13 4 225345 225345
4321 4
3 41 2 6
3 1243 6 Start
1
21 3
4
2 1 Finish

225345

5 A Winning Strategy Using Symmetry p.42~p.43

Example first, center
point, symmetry
3 The point of arrival is neither on the same line as first, center

point 2 nor at the edge of the square. Find the Example 3 different first, 2, B
points of arrival and check if you can draw lines
without overlapping, starting from the four Type 5-1 Finding the Center p.44~p.45
numbers. 1

31
2

3

Answer Key