1. Miss C Jones
Upper Rhymney Primary School
KS2
Maths

2. Measuring in mm and cm C.Jones

3. 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

4. Can you measure these lines to the nearest cm?
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5. Can you measure these lines in mm?
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6. 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

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 mm
Width= 600mm
Answer in cm =
Height= 750mm
Answer in cm =

8. Have you met the objectives?
Can you use your ruler to measure to the nearest cm?
Can you measure in mm?