Wednesday, 23 November 2011

Thurs Nov 24th – Solve Problems involving Area of Parallelograms, triangles and trapeziums

LEARNING OBJECTIVE: Solve problems which need area of Triangles, Parallelograms and Trapeziums

SUCCESS CRITERIA: You will be able to solve problems involving perimeter and area of Triangles, Parallelograms and Trapeziums

STARTER: Quick reminder on How to find the area of a trapezium using the rule

A= ½ ( a + b)h    where a and b are the two sides of the trapezium that are parallel.

Start filling in this table then get students to complete it themselves

  

Side a

Side b

Perpendicular Height

Area

a

8 cm

4 cm

5 cm

  

b

10 cm

12 cm

7 cm

  

c

7 cm

5 cm

4 cm

  

d

5 cm

9 cm

6 cm

  

e

3 m

13 m

5 m

  

f

4 cm

10 cm

  

42 cm2

g

7 cm

8 cm

  

22.5 cm2

h

6 cm

  

5 cm

40 cm2

 
 

LESSON: Check above answers, then students to work through questions 2 onwards on page 247 of Higher Text Book

EXTENSION: Q9 onwards on worksheet from yesterday

PLENARY: Checking answers. Exam Pro Questions with some feedback from Students

HOMEWORK: There are three MyMaths Homework tasks set for next Thursday – I expect 'Green' from everyone on these three level D/C topics. Please repeat if you DO NOT get a green

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