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Grams and Kilograms


Remember: 1000 grams (g) = 1 kilogram (kg) 1 gram = 0.001 kilogram = 1


1. Choose the correct weight. a) Does a jar of jam weigh 450 grams or 450 kilograms? b) Does a small boat weigh 2500 grams or 2500 kilograms? c) Does a laptop computer weigh 10 grams or 10 kilograms? d) Does a cup weigh 40 grams or 40 kilograms?


Remember: there are a number of different ways to write the same weight. For example:


6350g = 6kg 350g


2. Fill in the gaps. a) 2670g =


d) 4kg 932g = g) 6050g =


kg g kg


g b) 1265g = e) 6kg 9g =


g h) 3kg 754g = kg g g


g c) 9062g = f) 8kg 20g = i) 4030g =


kg g kg


Weights can also be written as fractions or decimals of a kilogram. For example: 1kg 500g = 1500g = 1.5kg


3. Complete the table. 2kg 250g


28kg 375g 19006g 7.1kg 12kg 005g 82079g


We can also record measurements of weight as fractions or decimals. For example: 1kg 465g = 1 465


____ 1000kg = 1.465kg


182 Weight


2250g 1378g


2.25kg 3.86kg g g


____ 1000kg


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