Sophia Learning
Sophia: Weighted Average: Lesson 2
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. It is 2 of 7 in the series titled "Weighted Average."
Sophia Learning
Sophia: Weighted Average
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.
Math Words
Mathwords: Weighted Average
A common example of the weighted average is provided by MathWords.
Khan Academy
Khan Academy: Weighted Average Intuition
First let's make sure you are comfortable with this construction using this 7-problem quiz/practice.
Science Education Resource Center at Carleton College
Serc: Investigating Isotopes and Average Atomic Mass Using Pennies
In this activity, students apply what they have learned about weighted averages, isotopes, and systems of equations to a new situation - coins in a sealed container. They learn some historical information regarding the composition of...
Columbia University
Columbia University: Expected Value Pdf
A PDF explaining and giving examples to show how the expected value of a random variable indicates its weighted average.
Khan Academy
Khan Academy: Interactive: Weighted Subdivision
This interactive tool helps students to better understanding weighted subdivision.
Khan Academy
Khan Academy: Subdivision Weights (Practice)
This is 4-problem quiz/practice. What of the following weights could be used for the subdivision algorithm to give us a fractal?
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Relating Mass to Number of Particles: Audio Book
This slide and audio book shows how to relate mass to a number of particles by using many formulas, examples, and real life scenarios. View the weighted average calculations, Avogadro's number, the atomic mass of carbon, and molar mass.
Khan Academy
Khan Academy: Start Here! Welcome to the Character Modeling Topic!
Welcome to the Character Modeling topic! In this topic, we'll explore how clay models are transformed into digital characters using weighted averages. It includes two lessons: Lesson 1: Modeling with subdivision surfaces (appropriate for...
Science Education Resource Center at Carleton College
Serc: The "Perfect" Date: Ranking and Rating Decisions With a Spreadsheet
A lesson plan that includes a PowerPoint learning module for students. The purpose of the lesson is to use spreadsheets to explore a rating and ranking method for choosing someone to date. They look at the problems that arise when...
Other
Magoosh: Statistics Fundamentals
An online course on the fundamentals of statistics including video lessons in Mean, Median, and Mode; Weighted Averages; Quartiles and Boxplots; Range and Standard Deviation; Normal Distribution; Z-scores; Intro to Inferential...
Chem Tutor
Chem Tutor: Atomic Structure: Atomic Weights and Atomic Numbers
This lesson explains many basic concepts of atomic structure. It starts with atomic mass and number and then works up to more sophisticated information on electron configuration and how each element fits into the Periodic Table.
Khan Academy
Khan Academy: Bonus: Equations for Points in Subdivision
Points on the control arm: Let's start with a shape with four control points, AAAA, BBBB, CCCC and DDDD, then use subdivision with weights (1,1)(1, 1)(1,1)left parenthesis, 1, comma, 1, right parenthesis.
Texas Education Agency
Texas Gateway: Variation of Pressure With Depth in a Fluid
By the end of this section, you will be able to define pressure in terms of weight, explain the variation of pressure with depth in a fluid, and calculate density given pressure and altitude.
Biotechnology Institute
Biotechnology Institute: Your World: Obesity [Pdf]
Biotechnology is spending time and money on trying to figure out why kids and adults are heavier, on average, than previous generations. Read this issue of the Biotechnology Institute journal to find out more.
Khan Academy
Khan Academy: Start Here! Mathematics Behind the Subdivision Operation
Overview of this lesson which focuses on developing the mathematics behind the subdivision operation. By the end of this lesson you'll understand how computer modeling tools work underneath the hood. You'll be able to describe...
Texas Instruments
Texas Instruments: Heavy Hitting #2
This activity uses baseball's slugging average to compute weighted means using summary statistics. Some students may need an explanation of the terms singles, doubles, triples, and home runs.
Calculator Soup
Calculator Soup: Gpa Calculator
Use this GPA calculator to find your GPA using the standard 4.0 GPA scale or a weighted scale for Honors and AP courses. Input the course name, the number of course credits and your grade for the term.
Khan Academy
Khan Academy: Start Here! Ready to Dive Into Some Math?
This is an overview this instructional activity; we're going to develop a powerful formula that will allow us to easily calculate points along a parabolic arc. It also explains what you need to do know before you begin.
PBS
Pbs Teachers: Backpack Challenge
Enter personal data about the weight of your backpack in an online survey and note whether boys or girls carry the heaviest backpacks. Analyze the data for patterns and make conclusions.
Annenberg Foundation
Annenberg Learner: Isotopes, a Weighty Matter: Isotope Quiz
You will be presented with three different isotopes of the same element. See if you can calculate the atom's average relative mass.
Khan Academy
Khan Academy: Rendering: Ready to Dive Into Some Math?
In this instructional activity we are going to explore the most fundamental calculation a ray tracer performs: ray object intersection. It also lists information you need to know before you start this instructional activity.
Council for Economic Education
Econ Ed Link: Let's Talk Turkey: The Cost of Thanksgiving Dinner
How does your family celebrate Thanksgiving? Are you joined by friends and/or family for a special feast? What do you eat? Most American families celebrate Thanksgiving by cooking turkey. According to EatTurkey.com, approx. 88 percent of...
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