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 =
40 mm =
30 mm =
80 mm =
30 cm =
100mm=
160mm=
cm
cm
cm
cm
mm
cm
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
Width= 600mm
Answer in cm =
for him?
EXT TASK: Calculate the
perimeter of each piece of
wood in cm and mm
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?