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Example 6: Complete the letter pattern by identifying the pattern rule.
a, c, e, g, i, ____ , ____ , ____
Solution: Observe that by skipping one letter, we get the next letter of the letter pattern.
a c e g i
Skip b Skip d Skip f Skip h
So, the rule is to start at ‘a’ and skip a letter each time.
Thus, the pattern will be a, c, e, g, i, k, m, o
Shape Patterns
In shape patterns, we arrange shapes to follow a rule. We can identify the pattern rule by
comparing the first few shapes of the series.
Example 7: Complete the shape pattern by identifying the pattern rule.
_____ _____ _____
Solution: Say the names of the shapes in the pattern and number them mentally.
1 2 3 1 2 3
Observe that the shapes are repeated in the pattern 1 2 3, 1 2 3, …
So, the series will be
Example 8: Complete the shape pattern by identifying the pattern rule.
_____ _____ _____ _____
Solution:
1 1 1 2 1 1 1 2
Observe that the shapes are repeated in the pattern 1112, 1112, …
So, the pattern will be
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