Page 8 - PlayFacto_B3
P. 8
Finding rules
Number pattern is a list of numbers that follow a certain sequence or pattern.
Let’s find various rules.
1 2 1 2 1 2 1 2
Rule: 1, 2 are repeating.
1 3 5 7 9 11 13 15
+2 +2 +2 +2 +2 +2 +2
Rule: Increase by 2 from 1.
30 27 24 21 18 15 12 9
-3 -3 -3 -3 -3 -3 -3
Rule: Decrease by 3 from 30.
Example 1 Fill in the blanks.
⑴152152
⑵246 10 12
⑶05 15 20 25
1. The 9th number 5
Number pattern is a list of numbers that follow a certain sequence or pattern.
Let’s find various rules.
1 2 1 2 1 2 1 2
Rule: 1, 2 are repeating.
1 3 5 7 9 11 13 15
+2 +2 +2 +2 +2 +2 +2
Rule: Increase by 2 from 1.
30 27 24 21 18 15 12 9
-3 -3 -3 -3 -3 -3 -3
Rule: Decrease by 3 from 30.
Example 1 Fill in the blanks.
⑴152152
⑵246 10 12
⑶05 15 20 25
1. The 9th number 5
