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Showing posts from November, 2019

Drinking Party

Assume that wine #777 is the poisoned one: Wine 1-100 Wine 101-200 Wine 201-300 Wine 301-400 Wine 401-500 Wine 501-600 Wine 601-700 Wine 701-800 Wine 801-900 Wine 901-1000 Rat 1 Rat 2 Rat 3 Rat 4 Rat 5 Rat 6 Rat 7 Rat 8 (dead) Rat 9 Rat 10 Since Rat 8 died, we know that the poison wine must be in Wine 701 to 800. We continue the same process as following: Wine 701-711 Wine 712-722 Wine 723-733 Wine 734-744 Wine 745-755 Wine 756-766 Wine 767-777 Wine 778-788 Wine 789-800 Rat 1 Rat 2 Rat 3 Rat 4 Rat 5 Rat 6 Rat 7 (dead) Rat 9 Rat 10 Wine 767 Wine 768 Wine 769 Wine 770 Wine 771 ...

Unit Planning Assignment - Final Draft

google docs link: <https://docs.google.com/document/d/1JiEnBXtb73sAmlSQKtE4rgTvGIZTSEP32bSOz6h5Cls/edit?usp=sharing>

Thinking about Math Textbooks

How would you respond to the examples given here - as a teacher and as a former student? -        As mentioned in the paper, I believe that teachers also should be mindful of language they speak in classrooms. They need to use approachable language as much as possible, so that students feel more relaxed in classroom and can have a deep, thoughtful conversation with their peers especially when encountered with challenging problem-solving questions. -        During my short practicum, my SA advised me to use indirect instruction. This approach allows students a moment to think about their behaviour and hopefully fix their “inappropriate” behaviours on their own; I think it is some kind of metacognitive strategy that teachers can use in classrooms. -        Looking back to my learning experience in Korea – from elementary to high schools -, I was so used to the environment, ...

The Scales Problem

A market vendor sells dried cooking herbs in whole-number amounts from 1 to 40 grams. The vendor has an old-fashioned two pan weigh scale, and has exactly four weights of different amounts that allows them to weigh out any of these amounts of herbs -- without using the herbs or any other object as an auxiliary weight. 1.      What are the values of the four weights? -        Since the lightest weight is 1 gram, one of the four weights must be 1 gram. -        Now, we have the following weights to measure herbs that weigh from 1 to 40 grams: 1, a, b, and c, where a < b < c . -        I couldn’t see the pattern right away, but I was sure that there must be a pattern for this problem. -        I did lots of trial-and-error methods and figured out that the four weights have to be 1, 3, 9, and 27. -   ...