3 Lesson Objectives To measure accurately in mm To measure to the nearest in cmTo be able to convert from mm and cmTo be able to convert from cm to mm
4 Can you measure these lines to the nearest cm? _______________________________________________________________________________
5 Can you measure these lines in mm? _____________________________________________________________
6 Use your rulers to convert from mm to cm & cm to mm 10 mm = cm40 mm = cm30 mm = cm80 mm = cm30 cm = mm100mm= cm160mm= cm
7 Problem Solving Activity Mr Smith is making a book shelf. He has a ruler that measures in cms only.The wood he is buying is sold in lengths measured in mms.Can you convert these measurements for him?EXT TASK: Calculate the perimeter of each piece of wood in cm and mmWidth= 600mmAnswer in cm =Height= 750mmAnswer in cm =
8 Have you met the objectives? Can you use your ruler to measure to the nearest cm?Can you measure in mm?