Can your P6 child solve this PSLE Mathematics Speed question? Get your child to have a go at it before watching the video solution.

One machine took 70 minutes while another took 100 minutes to print the same number of copies of a newsletter. The faster machine printed 6 more copies of the newsletter per minute than the slower one.

(a) The slower machine completed the job at 1 pm. At what time was the printing started?

(b) What was the total number of copies printed by the 2 machines?

Video solution:

Sometimes, the best way to teach a kid is to have another kid to explain a concept in their own terms. The results, which constantly surprises us teachers, are often insightful, delightful and effective.

Email PSLE Maths questions that you can’t solve to ahsan.maths.help@joyouslearning.com.sg.

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