3Lesson 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
4Can you measure these lines to the nearest cm? _______________________________________________________________________________
5Can you measure these lines in mm? _____________________________________________________________
6Use your rulers to convert from mm to cm & cm to mm 10 mm = cm40 mm = cm30 mm = cm80 mm = cm30 cm = mm100mm= cm160mm= cm
7Problem 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 =
8Have you met the objectives? Can you use your ruler to measure to the nearest cm?Can you measure in mm?