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Welcome to SAT Prep YOUR WAY

Glad we were able to connect in the store and here is the site we discussed. If you have questions at any time, you can email me at mbriscoe@myedme.com. The sections below are divided into reading and math sections.

Updates!

  • Complete the first 6 pages of The Legend of Sleepy Hollow.
  • Complete the introductory materials on functions and equations.
  • Note: There are now 6 readings on informational topics. Try to read one in the next 2-3 days.

Reading Section – Fiction

The Legend of Sleepy Hollow is half mystery and half a record of how people lived in New York a long time ago. We are using it as an interesting way to build vocabulary and see how citing evidence goes. Please complete the readings and questions here by Sunday, January 5.

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Here are the additional pages of the book that we will continue to work with next week. If you have the energy, please work ahead!

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Reading Section – Nonfiction

The reading about NC State’s admission information is first. Then there are readings about electronics. These readings are at a slightly lower reading level, so you can really focus on finding evidence within the text.

[otw_shortcode_button href = “https://www.myedme.com/login/?p=32941” > size = “large” icon_type = “general foundicon-right-arrow” icon_position = “right” shape = “square”] NC State Engineering Requirements[/otw_shortcode_button]

Readings about science:

If you have any questions, you can log in and then put comments below. (Only you and I have access to this page.)

Math Section

Equations are powerful because they tell us what is true. In math class, we often complete equations to make them true. You started this by solving 2 + 3 = and then progressed to 5 x ? = 45. Now we use this idea often in algebra to work with unknown numbers represented by variables.

Ratios and rates show us how to things are related. For example, a recipe may have 1 cup of berries for every pound of melon. A marathon runner may move at 5 miles per hour. We can use these relationships to create powerful equations.

  • (1 cup)b = (1 pound)m, where b stands for berries and m stands for melon
  • D = 5t, where D stands for total distance traveled and t stands for time.

This list of question sets will grow but here is some initial work with thinking critically about equations.

[otw_shortcode_button href=”https://www.myedme.com/login/?p=32661″> size=”large” icon_type=”general foundicon-right-arrow” icon_position=”right” shape=”square”]Equation Concepts [/otw_shortcode_button]

New problems (Jan 15; 4 of 5 sets added):

New Sets:

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Other aspects of myedme.com

If you want to use the comment sections, you will just have to register as a user first. There is a button in the upper right corner that shows you how to do that.

Also, here is the January calendar with times when we can touch base for a face-to-face. In the meantime, I will check in on your progress from time to time to ensure things are off to a strong start.

I have had a couple more new people sign up the last couple days, so we are going to be open from 3:30pm-8pm Thursday and Friday. If you want to work from here, you are more than welcomed.

Please email or comment at any time with questions!

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The Calculus of Kingfishers

This video shows kingfishers at different positions in this instance rates of change describe the change in elevation. Use these ideas to invent your own kingfisher journey. Add time stamps (e.g., 1:27) that show a kingfisher doing the same thing in your story.

YouTube player

Check: When the kingfisher hovers do your y-values stay consistent? Are the slopes (f‘) 0? Put labels on your vertical axes to share your estimate of the calculus values in your very own penguin stories.

If you want to share your amazing Kingfisher story, you can upload it here.

Upload calculus you want to share here.
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The Calculus of Penguins

This video shows penguins at different positions in this instance rates of change describe the change in elevation. Use these ideas to invent your own penguin journey. Add time stamps (e.g., 1:27) that show a penguin doing the same thing in your story.

YouTube player

Check: Are your rates of change negative when the elevation is decreasing? Put labels on your vertical axes to share your estimate of the calculus values in your very own penguin stories.

If you are interested, you can upload a picture or screenshot of your story.

Upload calculus you want to share here.
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Finding an Inverse Function

Functions take x values to y values. Inverse functions reverse the direction. Now y values go to x values.

Some equations are easy to find the inverse of others because it is easy to see how to reverse the function for all values.

Here are 3 examples of increasing complexity:

  1. If f(x) = x + 3, then we can reverse the function by solving x = f(x) + 3 for f(x), which is f(x) = x – 3.

2. If f(x) = 5x, then we can reverse the function by solving x = 5 f(x) for f(x), which is    f(x) = \frac{x}{5}

3. If f(x)=x3, then we can reverse the function by solving for x = (f(x))3 which is

   f(x) = \sqrt[3]{x}

Same Content from OpenStax

We can now consider one-to-one functions and show how to find their inverses. Recall that a function maps elements in the domain of f to elements in the range of f. The inverse function maps each element from the range of f back to its corresponding element from the domain of f. Therefore, to find the inverse function of a one-to-one function f, given any y in the range of f, we need to determine which x in the domain of f satisfies f(x)=y. Since f is one-to-one, there is exactly one such value x. We can find that value x by solving the equation f(x)=y for x. Doing so, we are able to write x as a function of y where the domain of this function is the range of f and the range of this new function is the domain of f. Consequently, this function is the inverse of f, and we write x=f−1(y). Since we typically use the variable x to denote the independent variable and y to denote the dependent variable, we often interchange the roles of x and y, and write y=f−1(x). Representing the inverse function in this way is also helpful later when we graph a function f and its inverse f−1 on the same axes.

PROBLEM-SOLVING STRATEGY: FINDING AN INVERSE FUNCTION

  1. Solve the equation y=f(x) for x.
  2. Interchange the variables x and y and write y=f−1(x).
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Good Times with Science, Technology, Engineering and Math!

<iframe src="https://phet.colorado.edu/sims/html/fractions-mixed-numbers/latest/fractions-mixed-numbers_en.html" width="800" height="600" scrolling="no" allowfullscreen></iframe>

You wrote a good paragraph (actually two paragraphs!) about elapsed time. Here is my paragraph about adding fractions with unlike denominators:

I always remember that I can’t add thirds and fourths because they are different things, it would be like combining pineapples and oranges but not as delicious. When I add fractions, I get a common denominator by thinking what number is a product of both numbers. If I struggle, I skip count the larger number until I hear myself say a number that is a product of the smaller number (3, 6, 9, 12!). Because I have been adding fractions along time, I am comfortable writing one third times 4/4 to get the fraction I need, 4/12. I use this strategy on both fractions and then add the numerators so I can learn that one third plus one forth is seven twelfths. Give it a shot!

Today’s cool reading:

  • https://www.nasa.gov/directorates/spacetech/home/innovation_ezine.html

Write a paragraph with you about the South Sandwich islands using these facts:
https://www.cia.gov/the-world-factbook/countries/south-georgia-and-south-sandwich-islands/

And, explore the concept of division with numbers less than 1 using this tool:
https://www.geogebra.org/m/q2qec2vd#material/zNNzhFxe

Games

I will continue to upload the math games as we publish them:

  1. Multiplication within 1-5.
  2. Multiplication within 1-10.
  3. Multiplication within 1-12.
  4. Old fraction games

Here is more long division practice.

Sets of Word Problems

You are picking up the math content quickly! I am going to publish sets of word problems regularly so you can use these skills to solve real world problems.

Water Filtration Activity: This page has all the videos and we started taking notes in the second link.

  1. Water Filtration page
  2. Note taking Google file
  • Today we will analyze this NASA video to match it to our 12 steps notes from last week
  • Bonus: Animated Jet Stream (small images)

    Force and Motion Definitions

    Reading and Quiz

    Electricity

    We will use the simulator link below from Electricity is Elementary. Please feel free to read a chapter or three when you want.

    The course that ties it altogether: https://myedme.com/logincourses/grade-4-science/


    Need more Science? Try the Cloud game!!

    Current Writing Requests

    (Add your to My Stories)

    • What are the three reasons the BallPoint Splatling is the best weapon for expert players?
    • Documenting your science adventure. Be sure to list your steps and use tables and exact measurements to
    • Who was Katherine Johnson? (You can read this Friday, or we can read this together.)
    • Who was Mary Jackson? (You can read this Friday, or we can read this together.)

    These activities will help you keep moving forward!

    1. Science: Gather materials for your first 2 filters (Water Filtration page)
    2. Science: Read a website and watch one video about our new activity.
    3. Science: Create take notes on your filtration (remember to measure the water before and after!)
    4. Writing: What are the three reasons the BallPoint Splatling is the best weapon for expert players?
    5. Science: Read another chapter in Electricity is Everywhere

    Click here to access My Stories upload your sheet with 5 facts you already knew and

    Feel the need for more science? Check out the video Mark mentioned about five reason to explore space.

    YouTube player

    George Washington celebration

    We used three readings to investigate “How did George Washington make money as a farmer?”.

    You can share your great work in printed form or online. It’s still in your writing file: Cloud.

    PhET Forces Game

    How magma makes beaches

    A quick video for a big idea!

    YouTube player

    New space technology!

    If you have extra time one day, please read this article and use the link below to write a paragraph that summarizes what “Virgin Orbit” is all about.

    Exploring Technologies


    If we lose connection, call me at (571)641-7611.

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    Winter Break Games for Math Refreshment

    Refreshment is a fun word that usually means a drink of something tasty. The word parts show that it’s about being “fresh”. When a word starts with “re”, it means to do again. Altogether the word means to keep fresh again and again.

    That is what math is about: keeping the number line and the operations fresh!

    The main thing to do is keep practicing your factors so they are even stronger than when you started break. Practice the game below every other day.

    You can also review the pages on Multiplication and our number line to see if they capture everything we discussed. If you have suggestions on how to make it better, just leave a comment below.

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    Activity: Massive number line

    Creating a number line will help you see how fractions have the same value. It’s a big idea that will help you order fractions, add fractions, and subtract fractions.

    First tape together five pieces of paper and draw a line across all five pieces of paper.

    Use a ruler to mark “1” at 1 foot, “2” at 2 feet, “3” at 3 feet, and “4” at 4 feet.

    Now, you can mark your halves. One half is exactly in between 0 and 1. It is 6 inches from 0. Every 6 inches add another 1/2. You will have:

    \Large \frac{1}{2},   \frac{2}{2},   \frac{3}{2},   \frac{4}{2},   \frac{5}{2},   \frac{6}{2},   \frac{7}{2},   \frac{8}{2},   \frac{9}{2}

    You probably know that:

    \Large \frac{1}{2} + \frac{1}{2} = \frac{2}{2} = 1

    When you have an even number of halves, you will have a whole number. Why is that?

    Now, we will add fourths. “Fourths” are often called quarters because a whole divided into four equal sections has four equal quarters. There are four fourths in one whole. So one fourth is smaller than one half. In numbers, this inequality is:

    \Large \frac{1}{2} >  \frac{1}{4}

    In fact, you will quickly find that

    \Large \frac{1}{4} +  \frac{1}{4} = \frac{2}{4} = \frac{1}{2}

    In fact, this equation shows the phrase “four fourths in one whole”:

    \Large \frac{1}{4} +  \frac{1}{4} +  \frac{1}{4} +  \frac{1}{4} = \frac{4}{4} = 1

    Add, fourths until you have at least 17 fourths on your number line. Look at how many fourths and halves are at the same spot.

    Now, you will add eighths. It reinforces the ideas from adding the fourths. But, this time you will have over 35 eights. This time you will use these two equations to make sure you put the eighths in the right places.

    \Large \frac{1}{8} +  \frac{1}{8} = \frac{2}{8} = \frac{1}{4} \Large \frac{1}{8} +  \frac{1}{8} +  \frac{1}{8} +  \frac{1}{8} +  \frac{1}{8} +  \frac{1}{8} +  \frac{1}{8} +  \frac{1}{8} = \frac{8}{8} = 1

    Double check your growing number line by making sure these numbers are at the same place:

    \Large \frac{7}{2} =  \frac{14}{4} = \frac{28}{8} = 3 \frac{1}{2}

    This video shows an expertly made number line (and challenges you to make your own with thirds and sixths!).

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    Fraction Problems

    1) A paintbrush is 1/4 inch wide. How many paintbrush would it take to cover 20/4 inches?

    2) A recipe needs 1/2 tablespoon of sugar. How much sugar is needed to cook the recipe 7 times?

    3) Ava uses these directions to walk to school:

    • 1/5 mile down Maple St.
    • 2/5 mile down Main St.
    • 1/5 mile down School St.

    How far does Ava walk to get to school?

    4) Manuel puts 2 1/2 cups of strawberries and 4 1/2 cups of melon into a fruit salad. How much fruit salad did he make?

    5) Nala made 5 1/2 cups of fruit salad. She used 1 1/2 cups of kiwi. The rest of the fruit salad is melon. How much melon did she use?

    6) Nick is 4 1/2 feet tall and Pat is 3 1/2 feet tall. How much taller is Nick?

    7) Kim will read for an hour. She has already read for 37 minutes. How many more minutes will she read?