SFR Lesson Notes The Winston Churchill School
Algebra
x+3
x+6
Show the Perimeter of the shape is 4x+18 Show the Area is x2+9x+18
Feb 1215:06
2x+1
3x+4
Show the Perimeter of the shape is 10x+10
Show the Area of the shape is equal to 6x2+11x+4
Feb 1215:06
1
12x
5x
Show the Perimeter of the shape is Show the Area of the 30x shape is 30x2
Feb 1215:06
A semi circle diameter 11x
12x
Show the Perimeter of the shape is
6x(∏+2) Show the Area is 18∏x2
Feb 1311:49
2
Two semicircles are joined to a rectangle
4x
x+4 Show the Perimeter of the shape is 4∏x+2x+8 Show the Area is 4x(∏x+x+4)
Feb 1311:49
5x
4x
8x
Show the Perimeter of the shape is 2x(∏+9) Show the Area is 2x2(∏+13)
Feb 1311:49
3
6x
4x
Show the Perimeter of the shape is 4x(∏+3)
Show the Area is 4x2(6∏)
Feb 1311:50
4x
6x
Show the Area is 40∏x2
Feb 1312:23
4
n
Jan 1613:19
5