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Last updated 12 February 2014, created 20 May 2011, viewed 3,634
Tips for the mental arithmetic part of the QTS Numeracy Test
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I don't like the way he implies that you change 6/25 into a percentage by appearing to just multiply the 6 by 4. He writes 6x4/25 = 24% which could lead to confusion.
Some useful tips on how to prepare for the mental maths QTS test, the clip looks at example questions.