Factors

Factorisin Trinomial

New Topic: Factors, MiA 3³ Ch5

By the end of this topic you will be able to:

  • by first looking for a common factor
  • by recognising a difference of two squares
  • trinomials (e.g. x² -2x -3 and 2x² – 7x + 3)
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  • 11 Responses

    1. Monday 20 September, period 6

      Revision of common factors.
      Ex2.1 Q1,3 & 4
      Ex3.1 Q3

    2. Tuesday 21 September, period 1

      Further practice on common factors with expressions
      Ex4.1 Q2 & 3

    3. Wednesday 22 September, period 3

      Look for patterns in multiplying out double brackets (coefficients of x² = 1)

      Try and derive a method for factorising a simple trinomial.

      Start Ex6.1

    4. Thursday 23 September, period 5

      Practice factorising – continue Ex6.1

    5. Monday 27 September, period 6

      Recap factorising simple trinomials.
      Reinforce “…looking for factors of .. and .. that have a sum/difference of…”

      Look at expanding examples where the coefficient of x² is greater than 1 and see how we adapt our current method.

      Ex7,1 Q1

    6. Tuesday 28 September, period 1

      Further practice factorising harder trinomials Ex7.1 Q1

    7. Wednesday 29 September, period 3

      Starter – factorising speed test

      Complete up to Q3 at least from Ex7.1

    8. Thursday 30 September

      Difference of two squares

    9. Monday 4 October, period 6

      Check homework (see above)

      Review factors topic

    10. Tuesday 5 October, period 1

      Review exercise p100 – all questions except Q7

      Some pupils will work with myself to go over factorising the harder trinomials.

      Homework – due for Thursday 7 October:
      1. 4x² + 12x + 9
      2. 2x² + 8x – 10
      3. 8x² – 2x – 3
      4. 6x² + 17x – 3
      5. 10x² + 3x – 4
      6. 12x² – 7x – 12

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