Ixl slope

Ixl slope DEFAULT
IXL help S.8 Slope-intercept form: write an equation S.9 Linear equations: solve for y y Here is how I got the answer: I know the equation of a line is 𝑦 = 𝑚𝑥 + 𝑏, so my goal was to start out with the given equation and rearrange it so it looked like 𝑦 = 𝑚𝑥 + 𝑏 form of the line. S.10 Linear function word problems How I solved the problem: Step 1: First I need to think of my two variables (dependant and independent). In this case, I will let t be the total number of quizzes, and I will let w be the total number of weeks. Step 2: Now I can write an equation that will represent the scenario Step 3: Now I can sub in for my known variables and solve for my unknown variable. In this case, if I want to know how many quizzes Kendall will have in total after 8 weeks of school, I would sub in 8 for w, and solve for t. 𝑡 = 1𝑤 + 1 𝑡 = 1(8) + 1 𝑡=9 S.11 Write equations in standard form How I solved this problem: I know the equation of a line in standard form is 𝐴𝑥 + 𝐵𝑦 = 0, where A must be greater than 0, and B cannot be 0. So, I took my original equation and rearranged it using algebra until it took standard form. S.12 Standard Form: Find the x and y intercepts I know at the x intercept, y = 0. I know at the y intercept, x = 0. So, if I need to find the x intercept, I need to make y = 0. I will then sub y = 0 into the given equation to solve for x. 𝑥 + 5𝑦 = 7 𝑥 + 5(0) = 7 𝑥=7 To graph a line, I need two points. In standard form I will find the two intercepts to give myself two points to graph. I know at the x intercept, y = 0. 6𝑥 + 7𝑦 = 42 6𝑥 + 7(0) = 42 6𝑥 = 42 𝑥= 42 6 𝑥=7 So now I know one point (7,0) Now…. I know at the y intercept, x = 0. 6𝑥 + 7𝑦 = 42 6(0) + 7𝑦 = 42 7𝑦 = 42 𝑦= 42 7 𝑦=6 So now I have another point (0,6). I can now plot my two points and connect the line. R.6. Identify Direct and Partial Variation Direct Variation is when you have a line and it goes through the origin. You can say that y varies directly with x. In Direct variation, one variable is a constant multiple of the other variable. Partial Variation is when you have a line and id does not go through the origin. Partial variation represents a relationship between 2 variables in which one variable is a constant multiple of the other, plus some constant. Example: Example 1 𝑦 = 3 𝑥 + 0 The 0 is the y intercept, indicating the line passes through the origin (0,0) Or y = 10x + 20, where 10 is the rate of change, and 20 is 1 𝑦= 𝑥 the original constant variable. 3 Example from IXL: To solve this problem, I first need to use the equation of a line and solve for m (the constant rate of change) but subbing in the given values of x and y into the equation. 𝑦 = 𝑚𝑥 + 𝑏 12 = 𝑚(2) + 0 12 =𝑚 2 6=𝑚 Now I know the constant variable, or that y is a constant multiple of x. The equation is 𝑦 = 6𝑥
Sours: https://studylib.net/doc/10054601/s.8-slope-intercept-form--write-an-equation

The Slippery Slope of IXL

In English classes, there is one thing more feared than the infamous in-class essay: IXL. The learning tool, while also usable for other school subjects, is most often used in English for its quality lesson material and practice sessions. While it can be quite useful, students often despise the website for several reasons. So is IXL something that hinders more than it teaches?

Before jumping into all of the pros and cons, perhaps some groundwork is in order. IXL is a diagnostic tool that uses real-time personalized questions to better help students understand particular lessons at varying depths. These lessons are split into categories, which fall under alphabetized letters, which are then followed by an additional letter system and numbers after that. When users get a question correct, their ‘Smart Score’ increases. The specific amount varies, but usually falls within a few specific guidelines (more on that later). When the user answers incorrectly, the same Smart Score decreases by a certain amount – but it can never go past zero. Instructors can use the Smart Score to see how well students understand a particular concept, with an 80/100 generally being the average and 100/100 being a perfect understanding. When the Smart Score hits 90/100, users enter the ‘Challenge Zone’, where they must get ten questions consecutively correct to achieve 100/100. Any incorrect answers in this segment of a lesson results in the user falling back into the high eighties.

The Smart Score is where most students start having problems. For the most part, this is because of how the system keeps track of correct and incorrect answers. Without any additional modifiers, the standard incorrect answer will take about two correct answers to surpass. While this feels like a good concept on paper, students who struggle with a certain concept will often have hours worth of difficulties trying to surpass what bar their teacher has set for that lesson. Further, the multiple modifiers in correct scoring can be problematic. For one, the amount of points gained can vary depending on the lesson by large amounts. Further, users have to get multiple questions correct in a row to get reasonable amounts of points-per-question compared to incorrect answers in the first place. Again, these processes sound fantastic on paper, but, without an already excellent understanding of the subject material, students can quickly fall behind. 

Then there’s the Smart Score’sChallenge Zone. Especially with English, where very particular grammatical choices can make or break a chain of correct answers, this area of questions can be painful to work through. Overlooking seemingly ‘correct’ parts of a phrase, or merely mistyping a word, can result in users being knocked down even further.

With all of the pain the Smart Score can bring, IXL still does a few things well. For one, users can look through an in-depth description of why they got a particular question incorrect. Further, these summaries are immediately available at the start of the lesson, meaning that users in the dark on a subject can immediately be brought up to speed. Second, IXL’s sheer amount of lessons is almost appalling. Multiple lessons deal with the various nuances of a single small rule, and the various levels mean that students, Kindergarten through the Twelfth Grade, can understand any number of subjects immediately. 

Even better than the assigned lessons is IXL’s diagnostic tool. Aside from a particular lesson, IXL can test users on a subject in general, measuring progress in various ranges the same way the MAPS testing program does. This means that a student can find what they need improvement with even before they have access to the content in the classroom.

As with any program (both in-person and online), IXL has various boons and just as many banes. While the diagnostic tool proves to be efficient in multiple areas, the annoyances and difficulties that come from any number of misunderstandings can heavily impact students already having a hard time. As it is right now, IXL is a tool that can be used with the right audience and an already semi-proficient understanding. However, work will need to be done to help students that fall behind due to no fault of their own. 

Sours: https://chattymatters.com/3941/previous-articles-videos/the-slippery-slope-of-ixl/
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IXL Math Practice

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Sours: https://www.williamsoncentral.org/Page/5520
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