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

Mathematics  Rabiaa, Friday, January 13, 2017 at 6:04am
An 8yearsold boy is half his sister's age. when the boy is 1w. How old will his sister be?