Tuesday, 11 October 2011

Weds Oct 12th Simultaneous Equations - Substitution

LEARNING OBJECTIVE: To discover how to use an alternative method (Substitution) to solve a simultaneous equation problem

SUCCESS CRITERIA: You will be able to solve simultaneous equation problems using any method we have covered.

STARTER: Screen 5 from this MyMaths Lesson

LESSON: Video 1,

Example Solve x - y =12 and 3x + 2y = 46

Solve Ex 19L

Q7 2x + y = 4, and x – y = 5

Q 15 x – 5y = 15 and 3x – 7y = 17

Q1 page 425 (briefly looked at yesterday) solve on IWB

Work through Ex 19M page 425.

PLENARY: Checking answers – look at Q ?? From Practice Paper 2. Can you solve it now?

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