Page 8 - PlayFacto_A4
P. 8
Ordering numbers
Arrange numbers in various ways.
12345 12345 1 10 11 20 21
6 7 8 9 10 10 9 8 7 6 2 9 12 19 22
11 12 13 14 15 11 12 13 14 15 3 8 13 18 23
16 17 18 19 20 20 19 18 17 16 4 7 14 17 24
21 22 23 24 25 21 22 23 24 25 5 6 15 16 25
Example 1 Numbers 1 to 25 are arranged in a rule. Fill in the blanks.
⑴ ⑵ 11 20 21
12345 1
67 10 2 12 19 22
13 14 15 8 13 18
16 17 18 7 14 17
21 24 25 56 25
51. 5×5 Board battle
Arrange numbers in various ways.
12345 12345 1 10 11 20 21
6 7 8 9 10 10 9 8 7 6 2 9 12 19 22
11 12 13 14 15 11 12 13 14 15 3 8 13 18 23
16 17 18 19 20 20 19 18 17 16 4 7 14 17 24
21 22 23 24 25 21 22 23 24 25 5 6 15 16 25
Example 1 Numbers 1 to 25 are arranged in a rule. Fill in the blanks.
⑴ ⑵ 11 20 21
12345 1
67 10 2 12 19 22
13 14 15 8 13 18
16 17 18 7 14 17
21 24 25 56 25
51. 5×5 Board battle
