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Sequences & Series - Coggle Diagram
Sequences & Series
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Arithmetic Sequences
Core Concept: Identifying the first term (a) and common difference (d). Using the Tn formula from the log tables.
Connection: Linear graphs. Graphing an arithmetic sequence creates a straight line, which ties right back to coordinate geometry.
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Arithmetic Series
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Connection: Real-world budgeting. We can look at scenarios like saving an extra 5 euros every week and figuring out the total saved over a year.
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Geometric Sequences
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Connection: Exponential growth. We spend time contrasting this rapid growth with the steady, linear growth of arithmetic sequences.
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Geometric Series
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Connection: Financial Maths. This is the foundation for compound interest and depreciation, which we will tackle later in the year.
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