Welcome to the College Prep Confidential Podcast


Given positive tests and total tests, this calculates the positivity rate as a percentage. Also known as percent positive, it walks you through the formula:

Positivity Rate = 100% x positive tests/total tests

Useful in determining cases with diseases like Coronavirus.

Positivity Rate Calculator …

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Demonstrates another mental model for math called inversion. Inversion is used by famous billionaires like Warren Buffett, Elon Musk, Charlie Munger, and Steve Jobs.

This video shows you the mental models these famous billionaires use, applied to math.

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Demonstrates the power of the Pollyanna effect to transform your perception of math as a negative into a positive force for good in your life.

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Shows you how to instantly increase the probability of guessing right by using the process of elimination. This process helps you eliminate answers on multiple choice questions using the process of elimination mental model.

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This video shows you the next mental model for math: Kaizen. You'll discover what is kaizen and how you can use Kaizen and compound interest to skyrocket your grades without being a genius or naturally gifted in math. This is part of our what are mental models series. Discover the power of the 1% u…

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Demonstrates the Hawthorne Effect in Math and how to use it to beat procrastination and optimize your math homework sessions. Reveals two tricks to use with the Hawthorne effect to help with math homework. This is part of our what are mental models series.

Time Stamps:
00:00 Intro
00:28 Hawthorne …

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March 3, 2021

Addition Table 1-12

Shows you an animated addition table for 1-12

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Shows the multiplication tables for 1-12 in an animated grid. Also known as times tables.

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20 subconscious mind affirmations you can fall asleep or meditate to. Reprogram your brain using the Law of Attraction for peace and success using these positive affirmations.

I have unlimited energy
I am enough
I have the power to master this day
I radiate intelligent energy
My mind…

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Feb. 2, 2021


Shows you various properties of a triangle, what a triangle is, properties of a triangle, and triangle types by angle (acute triangle, right triangle, obtuse triangle) and triangle types by side (scalene triangle, isosceles triangle, and equilateral triangle)


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Dec. 20, 2020

What is Probability

Definition of Probability, General Probability Formula, Events, Outcomes, Experiments, and Sample Space. Coin Flip Example, Die Roll Example, unequal outcome example, and probability postulates used in probability and statistics.


Time Stamps
00:00 Int…

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Dec. 18, 2020

Venn Diagram

Walks you through the definition of a Venn diagram, the Venn diagram for A union B, A intersection B, and A complement. Venn Diagrams are a vital part of set theory.

Lesson Page:

Time Stamps:
00:00 Intro
00:24 What is a Venn di…

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Dec. 15, 2020

Expected Value: E(X)

Walks you through the expected value notation E(X), the mean, the expected value of a discrete random variable, the expected value of a continuous random variable, an expected value example, and expected value properties. Shows expected value probability concepts.

Expected Value Lesson:

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Walks you through the Bakshali Square Root Estimation Method using the Bakshali Estimation Calculator.

Bakshali Estimation Method Calculator:

Time Stamps:
00:00 Intro
01:06 Bakshali Approximation Method Definition
01:13 Calculate N
01:43 Calculate…

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Dec. 9, 2020

Even Numbers

Shows you what an even number is, the even number generating formula, even number addition properties, even number subtraction properties, even number multiplication properties, and how to check if a number is even using numerical properties.

Time Stamps
00:00 Intro
00:41 What is an even number?

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Dec. 7, 2020

Set Theory

Shows you want a set is, set notation, cardinality of a set, complement of a set, empty set, Universal Set, finite set, infinite set. Introduces set theory in discrete mathematics.

Lesson Link:

Time Stamps:
00:00 Intro
00:24 What is a set?
00:42 Set Notation…

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Dec. 3, 2020

Rational Numbers

Shows you what are rational numbers, how to write a rational number, rational number notation, what rational numbers include, what rational numbers do not include, rational number properties, and a rational number calculator.


Time Stamps:
00:00 I…

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Dec. 1, 2020


Shows you what an integer is, integer notation, what integers include, what integers do not include, integer properties, and how to check if any number is an integer.

Integers Calculator:

Time Stamps:
00:00 Intro
00:43 What is an integer
00:54 Integer No…

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Shows you what are real numbers and the properties of real numbers. Shows you real number notation. Also shows you how to use the real numbers calculator to determine if a number is real or not.

Real Numbers Properties:

Time …

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Nov. 28, 2020

Exponent Rules

Walks you through what is an exponent, how you write an exponent, as well as the following exponent rules:
Product Rule For Exponents
Quotient Rule for Exponents
Power of a Power Rule for Exponents
Power of a Product Rule for Exponents
Power of a Quotient Rule for Exponents
Negative Integer Exponen…

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Shows you what is a perpendicular bisector for a segment is, and the properties of the perpendicular bisector with the segment such as congruent segments and congruent right angles.

Time Stamps:
00:00 Intro
00:30 What is a Perpendicular Bisector Definition
00:41 Draw a Perpendicular Bisector

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Nov. 25, 2020

What Is A Function

Walks you through the following properties of a function:

What is a function
3 parts of a function
Function Notation
Example function
y-intercept of a function
x-intercept of a function
Ordered pair relations of a function
Domain of a function
Range of a function
Function calculator as https://www…

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This is a Solfeggio Relaxation Meditation with 25 relaxation affirmations. The meditation is laced with the sacred Solfeggio Frequencies:

396 Hz – Liberating Guilt and Fear

417 Hz – Undoing Situations and Facilitating Change

528 Hz – Transformation and Miracles (DNA Repair)

639 Hz – Connecting/…

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Nov. 24, 2020

What Is A Segment

Shows you what is a segment, the definition of a segment, how to draw a segment, how to denote a segment, and the midpoint of a segment.


Time Stamps:
00:00 Introduction
00:36 What is a Segment
00:50 How to Draw a Segment
01:08 How to Denot…

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