I accept that there's no answer that YOU could possibly give, but I could certainly explain it to your kid for you.https://twitter.com/soncharm/status/1128787224542232583 …
-
-
Replying to @MorlockP
I think to test estimation methods, you need a question that's actually non-trivial via calculation saying "answer via estimation" for question you can solve in your head in five seconds, then marking off for correct answer, is cruddy teaching even though estimation is valuable
1 reply 0 retweets 1 like -
Replying to @ded_ruckus
that, or you need to ask the kid what method he used which the teacher did and the kid gave the wrong answer
1 reply 0 retweets 0 likes -
Replying to @MorlockP
but the point is that this /doesn't/ teach the kid how to estimate and why estimation is valuable it teaches the kid that sometimes the teacher will ask you a math problem and then mark you off for getting it right, probably out of sadism
2 replies 0 retweets 0 likes -
Replying to @ded_ruckus @MorlockP
if you want to teach estimation, you need a problem that's actually intractable/time-consuming via calculation, and then you show the shortcut method that gets you close enough I predict with extreme certainty that this question doesn't teach a (smart) kid anything useful
1 reply 0 retweets 0 likes -
Replying to @ded_ruckus
if you want to teach estimation, you need a classroom session dedicated to it, with multiple examples on the chalkboard this image was of a test a test, not a chalkboard so why are you criticizing the test for not being a good lesson?
1 reply 0 retweets 0 likes -
Replying to @MorlockP
I would say the test is not a good test, if applied to people who can do the calculation in their heads, because it doesn't illustrate the utility of the technique; it asks you to get a worse result than you could for no obvious reason
2 replies 0 retweets 0 likes -
Replying to @ded_ruckus @MorlockP
Assuming the missing context made clear that estimation was to be used (which I strongly suspect it did) then it's a perfectly fine question to test whether the student knows how to estimate. Test questions aren't gotcha's, they're simple recapitulation of classroom instruction.
1 reply 0 retweets 1 like -
Replying to @random_eddie @MorlockP
The surrounding context would heavily influence the degree to which this is reasonable or not, yeah. I think it's plausible it was as bad as the complainers say, and it's also plausible it was completely fine.
2 replies 0 retweets 0 likes
now recall that the meme started with * "here's one question, with ZERO context" * the teacher marked him off -1 point * [ implied ] DERP DERP DERP this is so stupid!!! we don't have to PROVE that the context is good to disprove the meme; we just have to show that it MIGHT BE
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.