Life long sharing . . .

Maths – Age problem

Posted on: March 23, 2016

Ying was doing here revision for the coming Kangaroo Math Competition, when she came to ask me this question:

km

“Mummy, when it said ‘six times younger’, it means Olivia’s grandmother is 60 years old OR 60+10 years old?”

mm.. sounds like an English comprehension problem to me 😛

 

And today as I was googling around, bumped into this lesson about Age Word Problem from Khan Academy. Check it out:

 

In case you are existing Khan Academy student and want to gain points, here is the url: https://www.khanacademy.org/math/in-eighth-grade-math/linear-equations-one-variable/some-more-applications-1/v/ex-1-age-word-problem

p.s. The answer for the above question is D

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