I started at a new school this year, teaching year 5 having been in year 6 for forever the past 7 years.
Pretty normal start to the year in maths - place value recap, followed by addition & subraction, mental and written methods. Although it's year 5, most of the children are working at a borderline year 3/4 level.
When teaching mental addition and subtraction, I've been encouraging the children to either draw or visualise a number line to help them with counting on and counting back methods. If they are visualising the number line in their heads, great, I ask them to write down their thinking - so essentially just jotting down the calculations they are doing in their heads. Then compare strategies to find the best one for particular calculations - partitioning, rounding & adjusting, counting up or back etc. I used, and encouraged the children to use, number lines throughout my time teaching in year 6 (in a school where 95% of the children were working at at least ARE), even with more and most able children, as it helped them understand their own thinking a bit clearer (rather than the "I just know it" that you get when you ask children to show their working).
I've just been told by the maths subject leader in my new school that there are to be absolutely no number lines in KS2. Apparently, there was training for everyone last year and this is what they do now. Compensating/rebalancing only for mental methods as this is "what the children need."
Does anyone else have this in their school? Am I right in thinking this is bollocks? Surely a number line, especially for those that are struggling and are way behind ARE, helps children to understand what they are doing when calculating in their heads? And compensating/rebalancing isn't the most efficient method for every type of calculation - surely we should be teaching children the most efficient strategies?
I feel a bit like I'm going to be told soon that we should only teach them written subtraction as that method "always works and they'll need it for SATs" even for something like 5000-4995!
Am I not seeing something? Should I challenge this?
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Number lines
14 replies
LemonRedwood · 24/09/2017 19:00
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