Page 128 - NUMINO Challenge_A1
P. 128
Problem solving
1 The letter C does not move. The other letters move in the clockwise direction.
B
C
DA
2 The numbers in the colored squares on the 1st and 2nd grids are switched.
13 31
24 24
The numbers in the colored squares on the 2nd and 3rd grids are switched.
31 34
24 21
Therefore, the numbers in the colored squares move one space at a time in the clockwise
direction.
34 34
21 12
34 14
12 32
14 41
32 32
23Answer Key
1 The letter C does not move. The other letters move in the clockwise direction.
B
C
DA
2 The numbers in the colored squares on the 1st and 2nd grids are switched.
13 31
24 24
The numbers in the colored squares on the 2nd and 3rd grids are switched.
31 34
24 21
Therefore, the numbers in the colored squares move one space at a time in the clockwise
direction.
34 34
21 12
34 14
12 32
14 41
32 32
23Answer Key