Page 103 - NUMINO Challenge_C1
P. 103
Creative Thinking
1 Numbers from 0 to 300 are written at the four vertices of rectangle
ABCD, as shown below. What is the index of 237 among the numbers
written at the corner?
AD
BC
13 9 5 1
3 7 11 15
2 6 10 14
12 8 4 0
2 The numbers are arranged in the pattern shown below. The number in
row 2, column 4 is 11. What is the number in row 6, column 9?
Column 1234
Row
1 1 2 9 10
2 4 3 8 11
3 5 6 7 12
4 16 15 14 13
5 17 18 19
100 NUMINO Challenge C1
1 Numbers from 0 to 300 are written at the four vertices of rectangle
ABCD, as shown below. What is the index of 237 among the numbers
written at the corner?
AD
BC
13 9 5 1
3 7 11 15
2 6 10 14
12 8 4 0
2 The numbers are arranged in the pattern shown below. The number in
row 2, column 4 is 11. What is the number in row 6, column 9?
Column 1234
Row
1 1 2 9 10
2 4 3 8 11
3 5 6 7 12
4 16 15 14 13
5 17 18 19
100 NUMINO Challenge C1