

Teach IB Math AI SL 1.3 with a complete, editable resource covering geometric sequences, finite series, and real-world applications.
Students learn how to:
• Identify geometric sequences and their common ratio
• Find the nth term of a geometric sequence
• Calculate the sum of a finite geometric series
• Compare arithmetic and geometric growth
• Apply geometric models to real-world situations
• Use a GDC to model and solve inequalities
Clear explanations, worked examples, and structured practice guide students from recognising geometric patterns to solving multi-step contextual problems. The resource includes an engaging marathon-training example and is suitable for classroom teaching, revision, homework, or independent study.
Pairs well with this resource:
IB Math AI SL 1.3 Geometric Sequences Worksheet
Fully aligned with IB Mathematics: Applications and Interpretation SL Topic 1.3 – Geometric Sequences.
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