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Problem Solving Friday!

06 Mar 2015

Children have enjoyed deciding their own Maths Challenges today and set themselves tasks for next week. They decided to work on using the column method, doubling and halving, multiplication grids and Roman Numerals.

Here is the problem we solved today:

My answer is 12. I took away 20 from a number and divided it by two. What number did I start with?
Can you remember how we solved it? Which strategy did we use?

 
 
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