kg g 1780g 8kg 706g 4.952kg 2043g 7kg 9g 5.38kg 9kg 25g 3.7kg 1007g
8. Match the object to the correct weight. a) A small car
1kg
b) Fridge 3kg c) Portable television d) Laptop computer
Adding Weights
1. If Mary’s schoolbag weighs 4685g, Donal’s weighs 3kg 150g and Danielle’s weighs 2.4kg, what is the total weight of the schoolbags?
When adding weights, each weight must be written using the same units. Here are the 3 possibilities:
a) ________ +
4685 3150 2400
g b) ___________ +
kg g 4 3 2
c)
685 150 400
Check to see that the answers are the same.
2. Now try these. Remember to change them to the same units before you start. a) 2346g + 1kg 240g + 1.4kg c) 5.34kg + 3kg 20g + 1328g e) 654g + 5kg 302g + 6.9kg