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Miss C Jones Upper Rhymney Primary School KS2 Maths

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**Measuring in mm and cm C.Jones**

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**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

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**Can you measure these lines to the nearest cm?**

_______________________ ____________________________ ________ ____________________

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**Can you measure these lines in mm?**

________________________ _______________ __ ____________________

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**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

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**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 =

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**Have you met the objectives?**

Can you use your ruler to measure to the nearest cm? Can you measure in mm?

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