Posted by **Dana** on Thursday, August 11, 2011 at 9:00pm.

Kari is 10 years old. her sister is half her age. Explain why 10 x 1/2 can be used to find her sisters age?

- Mathematics -
**Ms. Sue**, Thursday, August 11, 2011 at 9:01pm
10/1 * 1/2 = 10/2 = 5

- Mathematics -
**Dana**, Thursday, August 11, 2011 at 9:06pm
Do you know why this method would be used?

- Mathematics -
**Ms. Sue**, Thursday, August 11, 2011 at 9:14pm
Because to find half of ten, you need to multiply 10/1 * 1/2

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