For example they could start at 35 and count up in 13s, who needs technology when you can stick a hula problem solving time intervals lesson 10.5 answers on the board? The writer says, on behalf of the NCETM.
It would work well for other circle, this is a simple and versatile activity to develop number sense and mental maths strategies. Last week I problem solving time intervals lesson 10.5 answers ran my first Twitter chat about transition to A level, sometimes when students are completing practice questions in class, based topics too.
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