Miss C Jones Upper Rhymney Primary School KS2 Maths
Measuring Measuring in mm and cm C.Jones
Lesson Objectives • To measure accurately in mm • To measure to the nearest in cm • To be able to convert from mm and cm • To be able to convert from cm to mm
Can you measure these lines to the nearest cm? _______________________ ____________________________ ________ ____________________
Can you measure these lines in mm? ________________________ _______________ __ ____________________
Use your rulers to convert from mm to cm & cm to mm 10 mm = cm 40 mm = cm 30 mm = cm 80 mm = cm 30 cm = mm 100mm= cm 160mm= cm
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 mm Width= 600mm Answer in cm = Height= 750mm Answer in cm =
Have you met the objectives? Can you use your ruler to measure to the nearest cm? Can you measure in mm?