Patterns
Visual pattern
• Visual pattern is an ordered set of objects have repeated part called pattern unit.
Example :
Number pattern
• Number pattern is a list of numbers that follow a certain rule.
Example :
Example ①
Extend the pattern.
Solution
Example ②
Discover the pattern rule to extend the pattern and write the rule.
a. 10 , 20 , 30 , 40 , , Rule ►
b. 95 , 90 , 85 , 80 , , Rule ►
Solution ✅
a. 50 , 60 Rule ► +10 ► Note : The numbers are getting larger.
b. 75 , 70 Rule ► - 5 ► Note : The numbers are getting smaller.
Remark
• Sometimes number patterns have a rule that requires to add and subtract in the same pattern.
• Notice the numbers are increasing and decreasing in the same pattern.
• In this pattern you can predict what might come next in the pattern.
Example ③
Extend the pattern. Write the number of items you draw.
Solution
