The learner identifies the smallest repeating unit in a sequence of familiar objects, shapes, colors, or small whole numbers and uses its order to determine what comes next and what is missing. This reasoning distinguishes a repeating pattern, such as AB, AAB, or ABC, from a pattern that grows or changes, without requiring symbolic rules, general-term notation, or more complex numerical sequences.
On this page:
Look for a small group that repeats in the same order.
Example:
red, blue, blue, red, blue, __, red
Find the group that starts the pattern:
red, blue, blue
Check that this group repeats:
red, blue, blue | red, blue, __ | red
The group is red, blue, blue, so after red and blue comes blue.
Fill in the missing color:
red, blue, blue, red, blue, blue, red
The missing color is blue.
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These adaptive units introduce, teach, or reinforce this skill (Extend repeating patterns) through scaffolded problems that grow in difficulty as concepts are understood.