Problem Solving with Primary 6

Today, pupils in P6 were exploring problems using a lot of their learned strategies with decimals.  One problem in particular too a lot of thinking in terms of what was needed to be done.  The scenario was:

A shopkeeper has 30 magazines.  One the first day, he sells 8 for a price of £12.80.

On the second day, he sells 10 for £13.90.

On the third day, he sells the rest and gets £21.60.

On which day were the magazines the most expensive?  How much did the magazines cost when they were the least expensive?

Through discovery, pupils identified the key facts:  the total, the numbers sold for days 1 and 2 (and therefore for day 3), the total amounts in money for days 1, 2 and 3.  That was the easy part.  The hard part was what to do with all of the information.

I have attached a picture below of one pupil’s ideas as to what could be done to solve the problem.image (3)This pupil chose to divide and compare, as you can see.  The work showed a lot of thinking, comprehension and collaboration.  Very well done!!!

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