Estimation Activity - Items List 1
Object 	My estimate	Actual measurement	Difference	
Height of my teacher 				
Width of my desk 				
Width of the teacher's desk 				
Height to the window in the door 				
Diagonal of the door mat 				
Height of photocopying box 				
Length of open maths book 				
 Length of bic pen 				
Height of seat of chair 				
Height of filing cabinet 				
Difference Total: