Description

Help your students master arithmetic sequences and series with confidence using this clear, IB-focused guide. Written specifically for IB Math Applications and Interpretation SL, this resource introduces the notation, formulas, and problem-solving strategies needed to excel with sequences and series — from finding the nth term to summing terms in real-world contexts.

What’s Included:

• Step-by-step explanation of arithmetic sequences and series, including the nth term formula and sum formulas SnS_nSn​

• Conceptual links to linear equations to strengthen student understanding

• Common mistakes and misconceptions addressed in context

• IB-aligned vocabulary, notation, and tips for Internal Assessment readiness

• Scaffolded practice, including:
  • Routine skill-building questions
  • IB-style application problems
  • Real-world modeling tasks involving savings, earnings, and growth

• Complete answer key for all practice and IB-style problems

This student guide is ideal for introducing or reviewing 1.2 Arithmetic Sequences and Series, supporting independent study, or providing targeted help for students who need extra practice. Classroom-tested and curriculum-aligned, it builds the precision, fluency, and problem-solving skills that IB Math requires.