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Repeating Cycle Patterns

A pattern that repeats with a fixed period lets you find a far-off term using its position within the cycle (remainder on dividing by the period). Learners use weekday and shape/color cycles, repeating clock times, and number-line intervals. Periodicity plus remainder reasoning answers 'what is the Nth item' without listing all.

grade 2–4 Measurement & dataBase-ten numbersOperations Look for a PatternMake a Systematic List

Builds on: Divisibility and Remainder Reasoning

Progression (6)

g2 1. Weekdays repeat every seven days Base-ten numbers · foundational
g4 2. Find the rule of changing clock times OperationsMeasurement & data · foundational
g4 3. Find shape and color repeats separately Operations · core
g4 4. Use the seven-day weekday cycle Operations · core
g4 5. Find one tick interval, then read the value Base-ten numbers · advanced
g4 6. Locate and compare numbers on a number line Base-ten numbers · advanced

Bridges to competition (8)

Reasoning problems that extend this idea toward competition:

Finding the day of the week Pattern & rule → Modular Cycle Frequency Count
Division applications challenge Pattern & rule → Modular Cycle Frequency Count
Sequences and units-digit cycles Pattern & rule → Units-Digit Tracking
Weekday of a date from the 7-day cycle Pattern & rule → Modular Cycle Frequency Count
Find the missing or nth shape in a pattern Pattern & rule → Lattice / Grid Pattern from Small Cases
Count digits used over a range Counting → Modular Cycle Frequency Count
Units-digit pattern of each times table Pattern & rule → Units-Digit Tracking
Clock chimes and hand cycles Pattern & rule → Modular Cycle Frequency Count

Leads to competition types: Lattice / Grid Pattern from Small CasesModular Cycle Frequency CountUnits-Digit Tracking