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Cambridge IGCSE Mathematics practice

exam practice - 1. Extend a specified number sequence or pattern by identifying the next two terms. For example, determine the next two terms in the sequence: 1, 3, 6, 10, 15, … , … 2. Identify patterns within sequences, including the rules that connect terms and the relationships among various sequences. 3. Calculate and apply the nth term for the following types of sequences: (a) linear (b) simple quadratic, such as determining the nth term for the sequence 2, 5, 10, 17 (c) simple cubic. - Sequences

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2

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2

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Topic

Sequences

Exam-style question

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Paper 2Core or Extended Mathematics2 marks

Finding nth terms

Description

Nth Term Calculation

Determine the nth term for the sequence 2, 5, 10, 17.

  1. a

    Calculate the nth term of the sequence.

    Aim for approximately 2 distinct marking points.

    [2]

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Maths method check

  • Topic focus: Sequences.
  • Question style: structured_mathematics.
  • Reasoning demand: reasoning.
  • Check the operation, notation, units, and final answer form against the question before moving on.

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Paper 2 structured question: Sequences

Paper 2Core or Extended Mathematics2 marks

Description

Sequence Extension

Given the sequence 1, 3, 6, 10, 15, identify the next two terms.

  1. a

    Calculate the next two terms in the sequence.

    Aim for approximately 2 distinct marking points.

    [2]