We looked at adding and subtracting masses. When one mass is in g and the other is in kg, we have to change one of them. We need both masses in the same unit. We can have them both in grams, or we can have them both in kilograms. Check the example on the board above. 8400g is the same as 8.4kg, so we get the same answer whichever way we use.
Monday, February 13, 2012
Maths: adding and subtracting masses
We looked at adding and subtracting masses. When one mass is in g and the other is in kg, we have to change one of them. We need both masses in the same unit. We can have them both in grams, or we can have them both in kilograms. Check the example on the board above. 8400g is the same as 8.4kg, so we get the same answer whichever way we use.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.