How do you do long division?
These issues both came up this week and I had to look up the answers. I can hazard a decent guess but am I sure? Is my long division method perfect? Are there exceptions to a grammatical rule?
If I'm not sure then it's not good enough : K&W want to know for certain. My boys love rules so I have to be definite as they'll hang on to anything I tell them and quote me months or years from now. "But Mummy, while we were driving to the shops at Christmas time when I was 7 and wearing a blue jumper you said that all the drivers in <insert a town name> were idiots......"
Big responsibility.
It's a useful learning angle : you don't have to know everything, you just have to know how to find the answer. Which sources to trust, how to filter information to focus in on the thing you want to know, how to decide what's important, how to assess exceptions and differences in method or opinion.
Our days would be disjointed if I had to look up every tiny point and with an 8 and 9 year old I'm relieved to say I can handle most questions confidently. But the cracks are appearing : the questions are getting tougher.
What's an 8 year old doing learning long division? I don't think I learnt that until secondary school but here he is, doing it in line with his National Curriculum level and getting upset when I show the doorstep method that I know and love.
"It's not like that Mummy - there are boxes underneath! You have to take away!"
I battle on trying to show my (perfectly valid) method and we descend into tears because it isn't exactly what he's been taught. We take a break and decide to try again later when Mummy has had a cup of tea and found out exactly how the long division extended method is taught.
By the time I find it, print it, try it, understand it and am ready to teach it I'm also certainly ready to declare it utterly stupid because the doorstep method is better, even if I did see it described on the internet as 'old fashioned'. The cheek.
Keeping up is small tangent with a serious implication. I wouldn't want to teach secondary level outside of the subjects for which I'm trained. Sometimes it's the small things that set your path.
PS: About those commas .... http://www.getitwriteonline.com/archive/020204whencommabfand.htm