Some people utilize writing as a tool--as a means to an end--other people use it as a creative outlet and way to interact with and comprehend the world around them; personally, for me, writing has acted as a lifeline. At the age of 15, I sustained a massive stroke, and was subjected to spinal meningitis. My blood temperature rose to 107°F, leaving me with a profound memory deficit. I was no longer the same student I had been before my stroke and was forced to acquire skills that would allow me to compensate for my newly found inability to process information quickly or effectively. I was forced to re-define my personal notion of what it meant to be successful and came to believe that perfect results were less important than the act of taking action. If I maintained focus and engagement, learning, eventually, would follow; luckily, in the early stages, following my final stroke and ensuing brain surgeries, one class, creative writing, captivated me and provided... read more
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Exercise Answers to Chapter 2 of How to Think Like a Computer Scientist Learning with Python 3 (RLE)
1. Take the sentence: All work and no play makes Jack a dull boy. Store each word in a separate variable, then print out the sentence on one line using print. #! /usr/bin/env python3 # ex1 - words # All work and no play makes Jack a dull boy. word1 = "All" word2 = "work" word3 = "and" word4 = "no" word5 = "play" word6 = "makes" word7 = "Jack" word8 = "a" word9 = "dull" word10 = "boy." print(word1, word2, word3, word4, word5, word6, word7, word8, word9, word10) 2. Add parenthesis to the expression 6 * 1 - 2 to change its value from 4 to -6. #! /usr/bin/env python3 print("6 * 1 - 2 = ", 6 * 1 - 2) print("6 * (1 - 2) = ", 6 * (1 - 2)) 3. Place a comment before a line of code that previously worked, and record what happens when you rerun the program. total_secs = int(input("How many seconds, in total?")) hours = total_secs // 3600 secs_still_remaining... read more
Chapter 2 of How to Think Like a Computer Scientist begins actually exploring Python and its features. The chapter discusses variables, expressions, and statements. It starts out discussing data types and using the type() function to determine the type of some literals, like strings, integers, and floats. It also discusses using different kind of string delimiters. Variables have a name and can be created by using the name you want to give the variable, the assignment token (=), and a value, like so: lunch = "sandwich" weight = 150 Variable names have to begin with a letter or underscore (_) and can't be one of Python's reserved keywords (http://openbookproject.net/thinkcs/python/english3e/variables_expressions_statements.html#variable-names-and-keywords). Statements are instructions that python can perform. Examples given are while, for, import and others. Expressions are combinations of variables, values, and operators... read more
Ask any classroom full of students how they study, and you're likely to get a lot of different answers. There will probably be many similar answers, but most people have different methods, locations, and techniques that shortens their study time somehow. Sometimes shortcuts are a great thing- like a shortcut that avoids heavy traffic. The trick to using shortcuts with studying is knowing which ones work, and which ones don't! One of the best ways to ensure that your study time will be used effectively is to take notes during class. Ensuring that your notes make sense to YOU is really important. Your class notes should translate what your teacher is telling you into something that you can remember. For example: the definition of onomatopoeia is, 'the formation of a word from a sound associated with what is named.' If you have a long list of literary terms, the strange spelling of onomatopoeia might get lost with your other lit terms. Writing "sizzle" or "buzz" next... read more
The question: a scalene triangle determines exactly how many circles, where only the vertices of the triangle are uniquely used, or the body of the triangle in general (i.e. no arbitrarily specified points, such as the midpoint of any of the sides, are used to determine a circle)? The answer is surprisingly high! Key thoughts: a circle can be uniquely determined by 3 non-collinear points (3 points), or by a diameter (requiring 2 points), or by a center and a radius (also 2 points)[seems a little like the ID's for getting a driver's license, doesn't it?]. Sounds simple -- until you realize that geometrical constraints can be used to yield additional points to use beyond just the three vertices [come to think of it, can it just be a coincidence that your driver's test included a *3-point* turn?]. So, there are inscribed and circumscribed circles (total, 2); circles centered at each vertex and using each side as a radius (total, 6); circles using each... read more
I have found that most people have an intuition about mechanical physics that is generally correct before the algebra and calculus starts to confuse them. This comes from the fact that before we could speak, we were learning how to exist in the world around us (a world that is governed by physics). For instance, a child knows that your food will remain on the table unless he/she adds a force to push it onto the floor. Or that a ball thrown straight up into the air will eventually come to a stop, reverse direction and come right back down to earth. The most common issue people seem to have with physics is that, when they add in the math they forget to look at the larger picture of what is really happening. With that being said, there are several important steps that can help you with physics problems. 1: Identify all the information given and write it down at the top of the page. (It helps if you are labeling a diagram) EX: A ball is rolled horizontally... read more
Over the years, I have found that the three best waysto keep your brain shar over the Winter (Christmas) break are: 1. Read a book related to something you are studying in school. Without a doubt, you are studying something that hold your interest. Check out a book from the school on that topic. 2. Ask your teacher for extra credit work. Before you sigh , or throw something at your computer, there will come a time durring the school-year when you will need an extra point, and here you go. 3. Learn a new word. Stretch your vocabulary by one word and use it in conversation. Encourage friends and family members to do the same. This can be a lot of fun! 4.Play word games such as Scrabble with friends and family. 5. Make a point to make friends with someone outsiide your culture. Happy holidays!
I found that the best way to keep sharp is to block out a small chunk of time each day. Plan on some reading, writing and math. Read something that interests you, write a few sentences about it and reflect on any connections you make with the reading. Math is all around us. If you think about it, from the kitchen to the garage, even the game room uses math. The trick it to make it relatable. If you like to cook, use recipe measures and work a math problem. If you like video games, try adding together number of power ups or how many average tries it takes you to achieve a new level. If you are a parent, try to incorporate math language in a conversation in the car: what shapes do you see or how many different color cars can you spot? Listen to your student tell detailed information about a book, magazine or novel they are reading. Not only will it help them gain confidence, you can enjoy the time together.
A lot of my students always wonder. Why is Chemistry so hard? Why is Chemistry important? A teacher that I look up to once told me there is no higher road to learning. There is no way around learning science other than practice, practice, practice. Make sure that you are employing problem solving skills. When you approach a problem, one technique that I always use is to write down all the information that I can gather from the text body of the problem. And then write down what the question is asking for. This will always give you a hint as to which formula to use. This works with Chemistry, Physics, Math and a innumerous other scientific subjects. Is Chemistry really hard? Yes it is. It is a narrow road that Medical Schools and the like use to "weed out" their students. Why Chemistry, you say? The problem-solving technique that you use to approach Chemistry problems is the same problem-solving technique you use to make prognoses. You gather all the information... read more
It could be anything: paint, draw, even a new language. The idea that you are done learning once you reach a certain age in your life is as ridiculous as the notion that all women should be homemakers. In fact, it is never too late to learn anything! Take me, for example. I am a magazine editor who found a new life teaching about the very subjects that I learned in college and applied throughout my professional life. My goal is to ensure that you will learn as quickly as possible any or all of the four subjects that I'm approved for in WyzAnt. Whether you want to understand the finer points of proofreading, or need to learn how to speak or write in English or in Spanish, I'll give you the tools that you'll need to become an expert in your selection from lesson one!
Over the winter break, you should continue reading your books and focus on the subjects that will be coming ahead. When I was a student, I would brush up on the new subjects that would be coming in the next semester. That way when the semester started, I was ready to answer questions and look smart in front of my classmates and teachers. If your teachers see that you put in the effort, they will gladly try to help you out when ever you are in trouble or do not understand something. The best way to learn is to put your best foot forward. You can also make a game with you and your buddies and provide index cards with information that will be coming up in the next semester. I use to make board games with my friends and we would see who could get the highest score. Also, help out your parents whenever you can because they work hard for you everyday and wish you to succeed!
Whenever math gives you an easy topic, take it and run with it! I am sometimes surprised by how many students struggle (really struggle) with factoring. That said, I always struggled with quadratics when I was in high school. And forgetting to move negative signs and decimals when simplifying (whoops!). Fortunately, I've gotten past that. My point is that even tutors and teachers start somewhere, and common mistakes are called 'common mistakes,' for a reason. Each of us has an area where we are just not as strong. No shame in that! Factoring a number is nothing more than pulling apart its pieces. Glorified division, if you will. The difference with factoring is that you are dividing a given number by one of its smaller parts. For example: Let's use the number 20. We know from multiplication that we can multiply every number by 1, and come out with the same number. Our first two factors of 20 are 1 and 20. We also know that since 20 is an... read more
Let's start off by defining some rules. 1) please no one post answers directly on this post, rather send all answers to me via a message. Comments will be deleted and the person will be disqualified from all future contests. 2) The first 5 people to respond correctly to this post will receive a free 1 hour tutoring session via the online platform in any subject that I am approved in. I will respond back to your message explaining the correct answer, how to get that answer, whether you were correct, and, of course, the details in setting up your free session with me 3) If you are trying, but stumped...message me for a hint 4) Have fun!! Now for the brainteaser! Chicken McNuggets can be purchased in quantities of 6, 9, and 20 pieces. What is the largest amount of McNuggets that can NOT be purchased, using these quantites? Happy Holidays everybody! I look forward to hearing answers from all of you!!
Many people think of struggles with reading just mastering the art of reading itself, ie. decoding in kindergarten, first, and second grade. Students can struggle with reading all the way through high school and into college. Yes, the student has mastered the decoding part but aren't really digging deep into the text to take much away from it. Skills such as differing between a main idea and a supporting idea, making an inference, detecting bias, self monitoring for comprehension are all skills many older students haven't mastered with regard to text. Sharpening reading skills should be an ongoing objective long after the student has learned to decode text. Debra G. Chelsea, MI
You'd think that, "If I'm paying for tutoring, he should be answering MY questions. Not the other way around." While I can sympathize with the general sentiment, I'd say,"you're way off base there!" I think that the tutor/teacher/coach should never ask the student directly,"Do you understand __________ ?" Not knowing the subject matter, how would the student know/evaluate/determine if they understood or not ? Generally they can't, that's why the need a tutor. Rather than ask about specific content, directly, I asked questions to determine if the student understands the material and how the pieces fit together. Sometimes that's five or six questions. Here's my general GAME PLAN: Find out where they are. Tell them, show them, then see what they heard and saw. When you tutor's asking you questions, he/she is probably working the same kind of plan. You can help them help you by always providing the syllabus for your class, with some graded tests and... read more
I have worked in graduate admissions in higher education for over 10 years, and during this time, I have read a lot of personal statements – some good and some not-so-good. So, what qualities help to make a good personal statement that will help a student gain admission into the program of his or her choice? While admissions committees do consider a variety of factors in their decisions, here are just a few tips that might help you as you prepare to write your statement of intent. 1. Know the requirements. Are you writing a statement that is 500 words or 5 pages? Different programs have different requirements, so you should contact the schools to find out what they are expecting. It will not help your application to submit a document that is 5 pages long if the committee is only going to read the first page. 2. Use formal, academic language. Your document is going to be read by faculty, so you need to impress them with your background as well as your writing... read more
There are many online tools that I enjoy to implement with elementary education. I think that parents tend to go to the basic fun websites for kids like PBS and Disney, but here are some that are more educational and focused solely on the learning and not just on the characters. Here are some great websites for both students and parents to use. Everything from phonics to math to science. Check them out! Your kids will thank you for it! :) Happy Trails! ~Mrs. Emily~ www.starfall.com www.tumblebooks.com www.storylineonline.net www.earobics.com/gamegoo www.readwritethink.org www.professorgarfield.org www.eduplace.com www.teacher.scholastic.com/education
Today is the first day in my tutoring venture here on WyzAnt. I have done much tutoring before this and it should be interesting to see how utilizing WyzAnt will pin out compared to other agencies. I am excited to be here and am excited to see where this will take me! A little about me... I am a knoweldge succubus and an art enthuseust! Well, here we go!
10g ?g 1. Na2CO3 + Ca Cl2 = CaCO3 + 2NaCL In the equation above 10 g of Na2CO3 react with unlimited amount of CaCl2. How many grams of CaCO3 is produced? In the given reaction one mole of Na2CO3 produces one mole of CaCO3. Mole is MW(Molecular mass) in grams. For Na2CO3 MW is 23 *2 + 12 + 48 = 106 g. = 1 mole For CaCO3 MW is 40 + 12 + 48 = 100g. = 1 mole. 106 g of Na2CO3 produce 100g of CaCO3 10 g of Na2CO3 produce X g of CaCO3 X= 10 * 100 / 106 = 9.4 g CaCO3 is produced.
1. NaNO3 = NaNO2 + O2 Let us write half reaction of the oxidation and reduction. Initially nitrogen has charge +5 And at the end of reaction it has charge +3. How do we calculate that? In NaNO3 oxygen has charge -2. Sodium has charge +1. The molecule of NaNO3 is neutral. It means that negative charges inside NaNO3 molecule must be equal to positive charges. Na (+1) + O3 (-2 x 3) = 1 - 6 = - 5. Then nitrogen has to be + 5 to make the molecule neutral. In NaNO2, nitrogen has charge +3. Nitrogen must receive 2 negative electrons to change its charge from +5 to +3. 5 + ( - 2) = 3 So we can write N5+ + 2e = N3+ | 2 Oxygen initially has charge -2. At the end of reaction it becomes neutral and has charge 0. So, we can write 2O2- - 4e = O2 | 4 Combine two half reactions and get: N5+ + 2e = N3+ | 2 2O2- - 4e = O2 | 4 Since 2 and 4 can be divided by 2 and reduced to 1 and 2 N5+ + 2e = N3+ |... read more