S3_perimeter_foundation - Perimeter St Andrew's Secondary...

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Unformatted text preview: Perimeter St. Andrew's Secondary Perimeter Basics Solving Hard Perimeters Starter Questions 1. 2 .3 x 8 2 . C o nve r t m e t r e s ( m ) ( a ) 2 0 0 c m ( b ) 5 5 0 c m ( c ) 5 0 c m St. Andrew's Secondary 3 3 . o f 3 2 0 4 4 . Find 2 num b e r s t h a t a d d t o g ive 7 a nd m ult ip ly t o g ive 10 . Perimeter Learning Intention Success Criteria 1. To know the term perimeter of a shape. 2. Calculate the perimeter of a shape. St. Andrew's Secondary 1. To understand the term perimeter of a shape. Perimeter St. Andrew's Secondary What is perimeter ? Hint answer is on the screen ! St. Andrew's Secondary Perimeter Perimeter St. Andrew's Secondary Perimeter Perimeter Perimeter St. Andrew's Secondary Perimeter Circumference Perimeter St. Andrew's Secondary is the distance round the outside of a 2D shape Perimeter Perimeter 6cm 3cm Perimeter = Calculate the perimeter of the rectangle below. St. Andrew's Secondary 6 + 3 + 6 + 3 = 18cm Perimeter 3cm St. Andrew's Secondary 5cm 4cm Perimeter = 3 + 5 + 4 = 12cm Perimeter 10cm St. Andrew's Secondary Calculate the perimeter of the rectangle. 4cm Perimeter = 28cm Perimeter Calculate the perimeter St. Andrew's Secondary 13cm of the triangle below. 12cm Perimeter = 30cm 5cm Perimeter St. Andrew's Secondary Now try Exercise 3 MIA Ch12 (page 130) Starter Questions 1. 2 .3 x 8 2 . C o nve r t m e t r e s ( m ) ( a ) 2 0 0 c m ( b ) 5 5 0 c m ( c ) 5 0 c m St. Andrew's Secondary 3 3 . o f 3 2 0 4 4 . Find 2 num b e r s t h a t a d d t o g ive 7 a nd m ult ip ly t o g ive 10 . Perimeter Learning Intention Success Criteria 1. Work out missing lengths. 2. Calculate the perimeter of a shape. St. Andrew's Secondary 1. To work out the perimeter of a shape by first working out missing lengths. Perimeter Problem St. Andrew's Secondary x m Below is a draw of the school building. Calculate the perimeter. 4 m 8 m 9 m 4 m 12 m = 12 + 8 + 3 + 4 + 9 + 4 = 40 m x = 12 9 =3 m Perimeter Perimeter Problem St. Andrew's Secondary 4 m Below is a drawing of a kitchen plan. Calculate the perimeter. y cm 6 m 2 m 4 cm 2 m y = 6 4 = 2 m Perimeter = 6 + 4 + 2 + 2 + 4 + 2 = 20 m Perimeter St. Andrew's Secondary Now try Exercise 4 MIA Ch12 (page 132) ...
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This note was uploaded on 02/13/2012 for the course MAT 1117 MAT 117 taught by Professor White during the Spring '09 term at University of Phoenix.

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