Mathematics Educational tutorial video Multiplication addition Montessori K-12 Kindergarten Homeschooling

Photomath, Inc. Chief Growth Officer Jennifer Lee, Cuemath Founder & Chairman Manan Khurma, Stevens Institute of Technology Distinguished Professor Alexei Miasnikov, Bill & Melinda Gates Foundation Senior Program Officer Lewis Leiboh, and The 74 Senior Writer Kevin Mahnken discuss solving the K-12 math crisis at the 2023 ASU+GSV Summit.

The Gates Foundation recently announced a $1.1B investment in K-12 math education, highlighting how it is an absolute top priority for our K-12 learners. We will showcase how startups and education leaders innovate to find unique solutions, such as personalized learning, gamification, and data analytics, to enhance student learning and engagement in math. From classroom solutions to community-wide initiatives, we'll explore how we can support our students in regaining their mathematical footing. Don't miss this opportunity to learn from the best and be part of the solution.

9. O projeto de um estádio de futebol em Jupi terá um custo de R$ 100.000,00. Sabendo que 4 empresas ficaram responsáveis pela construção do estádio e que o valor pago a cada empresa é inversamente proporcional aos números 1,2,3 e 4, quanto receberá, em reais, a empresa que ganhará mais no pagamento dos R$ 100.000,00?
a) 12.000,00
b) 16.000,00
c) 24.000,00
d) 48.000,00

Counting and Writing Numbers 1 – 19 | Kindergarten Math | Math For Kids
TeCa creates online math courses for kids by grade level from K-5. All our math lessons are delivered through attractive videos, in which we extensively use visual images, graphics, animation and upbeat music to make kids excited about each and every lesson. We also have practice exercises for kids in each lesson to reinforce their understanding.

Our goal is to bring kids enjoyment in math learning, help them see the beauty of mathematics, and have a love for math from an early age. We believe teaching kids math in the right way gives them a head start in the subject, which is a strong foundation the development in other areas of education

It can be valuable to a viewer to have a video divided into parts/sections/segments (chapters) so that they can jump around to important moments in the video. The sectioning for this video follows:

Introduction: (0:00)
Completed example: (0:11)
Doing the entire process example: (0:59)
Closing comments: (3:30)
Desperate plea for subscriptions: (4:02)

^Above you can see the section titles for this given video

The format for this is below
_____________________________________
Introduction: (Start time of video)
Part 1 Title: (Time of part 1)
Part 2 Title: (Time of part 2)
...
SUBSCRIBE NOW: (Outro Time)
_____________________________________

It can also be done in the following format
_____________________________________
Start time of video - Introduction
Time of Part 1 - Part 1 Title
Part Title 2 - Part 2 Title
...
Outro Time - SUBSCRIBE NOW
_____________________________________

It can also be done without the hyphen, mainly you absolutely need to include the starting timestamp in order to get this to work properly.


#howtoaddchapters #youtubechapters #addchapters

When working with a normal distribution you are provided a mean and standard deviation. The empirical rule tells us that there is 68%, 95%, and 99.7% of the normal distribution contained in the first, second, and third standard deviation away from the mean, respectively.

Where do these numbers come from?

In this video, an overview about integrals and the relationship to the standard distribution probability density function provide insight into where these numbers come from.

Some images made using Geogebra.

0:00 What does the empirical rule tell us?
1:05 Normal Distribution probability density function.
1:45 Normal curve with mean of 0 and standard deviation of 1.
2:20 Probability at point vs probability of interval.
2:52 Using integral to calculate area under normal curve.
3:11 Integrals to compute area between standard deviation of the mean for N(0,1) example.
4:29 Setting up table to compare areas for different normal curves.
5:01 How does changing the standard deviation change the spread of the curve?
5:40 Integrals to compute area between standard deviation of the mean for N(0,0.5) example.
6:35 Integrals to compute area between standard deviation of the mean for N(50,10) example.
7:30 Integrals to compute area between standard deviation of the mean for N(1000,25) example.
7:45 Conversation about how area under curve didn't change when varying the mean and standard deviation.
8:12 The empirical rule saves you time from recalculating integrals over and over again.

#68-99-99.7
#empiricalrule
#normaldistribution
#JoeCMath

The value of b^2-4ac gives us some immediate information about how the graph of our Quadratic Function will look. This video discusses the three scenarios one will run into when trying to graph a Quadratic Function.

Some images made using Geogebra.

#b^2-4ac
#Quadratics
#Discriminant
#JoeCMath
#Algebra

0:00 Introduction
0:23 Three scenarios for b^2-4ac
0:40 b^2-4ac is positive
1:44 b^2-4ac is zero
2:40 b^2-4ac is negative
3:32 Summary
4:35 Subscribe if the Krusty Krab is better than the Chum Bucket

Sometimes, you just can't look away...

Converting a standard form quadratic function to a graph can be accomplished by finding the y-intercept, vertex, and x-intercepts (if they exist) and fitting a parabola to those points. It is easy to find these points when a quadratic function is in Standard Form because they can all be found by plugging a, b, and c into particular formulas.

y-intercept: (0,f(0))
vertex: (-b/2a,f(-b/2a))
x-intercepts: use quadratic formula

Some images made using Geogebra.


#StandardForm
#GraphingQuadratic
#GraphParabola
#StandardFormtoGraph
#Algebra
#JoeCMath

0:00 Introduction
0:35 What the value of "a" tells you
0:40 General points we can get from stand form quadratic
1:30 Example 1
5:08 Example 2
7:16 Pr(Joe Happy Today) LEQ Pr(You Subscribed) LEQ 1

Polynomial division (long division/ algebraic division) is similar to the long division process for two numbers. A small review of the long division format occurs at the beginning followed by two examples (one where the remainder is zero and another where the remainder is non-zero).

These examples were selected to motivate the connection between factoring polynomials of degree greater than two to the polynomial division process.

0:00 Introductory review
0:53 Example 1 starts
5:59 Example 2 starts
9:22 Small takeaway

#Polynomial #LongDivision #PolynomialDivision
#JoeCMath

U substitution (Integration by Substitution) is a common approach to solving integrals that contain a composition of functions. A function is contained within another function with its derivative nearby. These type of problems could be solved using U-Substitution.

0:00 Introduction
0:24 Derivative Chain Rule Revisited
1:00 Example : Find the integral of (x^5+1)^3*5x^4dx using u-substitution.
2:54 U-Substitution Steps
3:14 Example : Find the integral of (3x-1)^6dx using u-substitution.
5:02 Example : Find the integral of ((sin(ln(x)))/x)dx using u-substitution.
7:20 Thanks for watching!

#usubstitution
#Calculus
#JoeCMath

Finding the derivative of a function that contains the division of two different function is easy if you know how to use the quotient rule. This video provides the structure for the quotient rule and presents to examples of it's use.


#QuotientRule
#Derivatives
#QuotientRuleExamples
#JoeCMath

Introduction: (0:00)
General quotient rule: (0:14)
Example 1: (0:32)
Example 2: (2:10)
Closing comments: (3:14)
SUBSCRIBE PLEASE (4:12)

A short introduction to the chain rule as well as three examples.

Two examples include functions that only contain two nested functions. The final example goes over how to use the chain rule when a function contains three or more nested functions.

#ChainRule
#Derivatives
#ChainRuleExamples
#DerivativeExamples
#JoeCMath

0:00 Introduction
0:34 Example 1
1:28 Example 2
2:27 How to handle a function with multiple layers
4:42 Joe likes when you subscribe!

The process of completing the square for a quadratic expression, equation or, function can be hard to complete. Depending on the instructions you may have to also graph the function once it is in vertex form, or find the x-intercepts using vertex form.

This video goes through three examples with various levels of difficulty.

#CompletingTheSquare
#CompleteTheSquare
#StandardtoVertexForm
#Algebra
#JoeCMathExamples

0:00 Introduction
0:15 Refresher on process. General beside example.
1:14 Easy example.
2:34 Medium example.
4:25 Hard example.
7:21 A subscription to Joe implies absolutely nothing.

Anytime you have an expression that contains multiple variables raised to powers and you are told to simplify the expression completely, you need to be aware of all the rules for exponents.

When dividing variables that contain a common base we use the following rule to simplify:

x^m/x^n=x^(m-n)

#Exponents
#Division
#ExponentRules
#JoeCMath
#Algebra

0:00 Introduction
0:27 Where the rule comes from
1:40 Example 1
2:00 Example 2
2:30 Talk about relationship between m and n
3:12 Example 3
4:35 Fractions with + or - warning
5:50 Subscribe for more videos!

Indefinite and definite integral problems begin the same way but differ in how you interpret their results.

The result of an indefinite integral is a family of functions whereas a definite integral determines the area underneath the function you are integrating over the closed interval [a,b].

0:00 Introduction
0:21 Indefinite Integral
1:15 Definite Integral
2:53 Checking out examples on wolfram alpha
4:15 Review of definite vs indefinite integral results

#IndefiniteIntegral
#DefiniteIntegral
#AreaUnderCurve
#Calculus
#JoeCMath

Introduction to the power rule for derivatives. The power rule is

d/dx[x^n]=n*x^(n-1)


#PowerRule
#Derivatives
#PowerRuleExamples
#DerivativeExamples
#JoeCMath

0:00 Introduction
0:40 Example 1
1:29 Example 2
2:21 Detecting multiple rules in derivative problems
3:26 Subscribe to bring Joe more POWER