Constructive lesson observation, friendly explanations, worksheets and lesson plan.
As the students work through the polygons finding the number of triangles, they will clearly be able to identify and spot the pattern for subtracting 2.
Starter - Prior knowledge and keywords (word search)
Main worksheet 1 - finding sides, triangles and angle sum
Main worksheet 2a - Puzzle for matching 'written polygons' with triangles and angle sum (Get your form to cut them out for the last 3 minutes)
Main worksheet 2b - Extension tasks - finding missing angles, finding regular interior angles, working backwards and expressions.
ppt/activinspire - constructive solid lesson with learning outcomes, explanations and answers
The lesson consists of 3 assessment opportunities (beginning, middle and end/plenary to measure progress from the start)
As the students work through the polygons finding the number of triangles, they will clearly be able to identify and spot the pattern for subtracting 2.
Starter - Prior knowledge and keywords (word search)
Main worksheet 1 - finding sides, triangles and angle sum
Main worksheet 2a - Puzzle for matching 'written polygons' with triangles and angle sum (Get your form to cut them out for the last 3 minutes)
Main worksheet 2b - Extension tasks - finding missing angles, finding regular interior angles, working backwards and expressions.
ppt/activinspire - constructive solid lesson with learning outcomes, explanations and answers
The lesson consists of 3 assessment opportunities (beginning, middle and end/plenary to measure progress from the start)
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£2.00