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034 | IB Math SL | Sequences and Series | Number Sequences | Exercise 5A

May 3, 2026
36:47

CHAPTER 5 - Sequences and Series Exercise 5A - Number Sequences In this video, you will work through every question in Exercise 5A from Chapter 5 of Haese Mathematics SL, building a solid foundation in recognising, describing, and extending number sequences. You will identify sequences generated by adding, subtracting, multiplying, or dividing, describe sequences in words and find next terms, evaluate general terms using explicit formulas like u_n = 2n + 5, choose the correct formula for a given sequence, and evaluate the first five terms of sequences including polynomial and exponential expressions. 📚 Topics Covered: Generating sequences by repeated addition, subtraction, multiplication, or division Describing number sequences in words and identifying next terms Finding specific terms u_n from explicit formulas Choosing the correct formula from multiple options for a given sequence Evaluating five terms from sequences including {2n}, {n^2 + 2n}, {2^n}, and {(-2)^n} Identifying square numbers, cube numbers, and patterns in non-standard sequences 🎯 Useful For: IB Math SL students (Applications & Interpretation / Analysis & Approaches) Students preparing for IB Math Paper 1 and Paper 2 Haese Mathematics SL Core Topics textbook users 📖 Chapter: Sequences and Series 📝 Exercise / Review Set: Exercise 5A 📗 Book: Haese Mathematics — SL Core Topics (IB Diploma Programme) #NumberSequences #GeneralTerm #ExplicitFormula #SequencePatterns #NthTerm #SequenceAndSeries #IBMath #IBMathSL #IBDiploma #IBMathematicsSL #HaeseMath #IBMathSolution #IBMathTutorial #IBMathHelp

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034 | IB Math SL | Sequences and Series | Number Sequences | Exercise 5A | NatokHD