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▪ Standard Units
❖ Kilometre (km)
❖ Hectometre (hm)
❖ Decametre (dam)
❖ Metre (m)
❖ Decimetre (dm)
❖ Centimetre (cm)
❖ Millimetre (mm)
▪ Tools used for measuring length
❖ Metre rod
❖ Measuring tape
❖ Ruler
Weight
Weight tells us how heavy an object is. We measure weight using non-standard and
standard unit.
▪ Non-standard Units
❖ Kidney beans
❖ Stones
❖ Marbles
▪ Standard Units
❖ Kilogram (kg)
❖ Hectogram (hg)
❖ Decagram (dag)
❖ Gram (g)
❖ Decigram (dg)
❖ Centigram (cg)
❖ Milligram (mg)
