• Number and Algebra

    Arithmetic Sequences

    1, 5, 9, 13 These are sequences where the difference from one term to the next remains constant, like the one in the title! Arithmetic sequences crop up in all sorts of places and this unit looks at understanding how to generalise, sum and solve prob…

  • Number and Algebra

    Geometric Sequences

    …do you find the 20th term?   Finding the sum of a geometric sequence How do find the total of a given number of terms of an arithmetic sequence? Revise This section of the page can be used for quick review. The flashcards help you go over key points…