Continue the shape patterns

This task is about continuing and explaining the rule for growing shape patterns.
a) i) Draw the next two shapes in this pattern. 
   
  ii) Explain how you worked out what shapes to draw.

 
 
 
 
 
b) i) Draw the next two shapes in this pattern. 
   
shape 1 shape 2 shape 3 shape 4 shape 5
stick pattern stick pattern
stick pattern		 stick pattern
stick pattern
stick pattern		    
  ii) Explain how you worked out what shapes to draw.

 
 
 
 
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