Page 33 - Math E. Booklet prim 4 (first term 2025)_Neat
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Measuring length
Kilometre (km) It is used to measure very long distances (lengths).
Example : The distance between Tanta and Cairo = 100 km.
Metre (m) It is used to measure long distances (lengths).
Example : a street width about 20 m or a building height about 30 m
Decimetre (dm)It is used to measure average distances (lengths).
Example : Window width 5 dm or stove height 8 dm.
Centimetre (cm) Used to measure small distances (lengths).
Example : Pencil length 16 cm.
Millimetre (m) Used to measure very small distances (lengths).
Example : Nail thickness 3 mm.
