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Mass
Mass is the amount of matter an object contains. It is measured with a
balance. Metric units of mass include gram (g) and kilogram (kg), and also
1000 gram (g) equal to 1 kilogram (kg).
1 kg = 1000 g
Example 1 Write the total mass of each box. 50g 1g
⑴⑵
20g 11gg
⑶⑷
50g 10g 20g20g1g 1g
4. Mass 39
Mass is the amount of matter an object contains. It is measured with a
balance. Metric units of mass include gram (g) and kilogram (kg), and also
1000 gram (g) equal to 1 kilogram (kg).
1 kg = 1000 g
Example 1 Write the total mass of each box. 50g 1g
⑴⑵
20g 11gg
⑶⑷
50g 10g 20g20g1g 1g
4. Mass 39
