An introduction to the basic uses of the slider tool in GeoGebra.

Wie löse ich in der CAS-App der GeoGebra Rechner-Suite eine Gleichung?
AM beispiel einer quadratischen Gleichung erkläre ich die Bedienung.

This video is a mathematics learning simulation using the android application in the course of Computer-Based Mathematics Learning Media by students of Mathematics Education Study Program FKIP Muhammadiyah University of Surakarta

#addingfractions #lowestterm

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If you prefer to read, rather than watch this video, here’s the transcript:

Title: Multiplying Fractions and Whole Numbers - Fast And Easy Math Learning Videos

When we multiply whole numbers, we can show the multiplication using an array like the one shown here. This array shows the multiplication, 2 times 3.
The array is two blocks tall and three blocks wide.
We can show multiplication of a fraction times a whole number using the same kind of array.
Let’s change the first factor in this multiplication to a fraction.
Here we have the fraction 3 halves times the whole number 3. To show the fraction 3 halves, we start by dividing each whole unit on this side into halves, like this.
We show 3 halves here.
We show the whole number 3 here.
Now we draw the array.
We have three halves here, another three halves here, and three more halves here.
We can show that using repeated addition like this.
When we do the addition, we get 9 halves. That means that 3 halves times 3 is 9 halves.
Another example. Two times one third.
Here we have 2 blocks tall times one third of a block wide.
This can also be written as repeated addition. This time, we have the fraction one third, two times.
We write that like this.
One third plus one third.
We know this is equal to 2 thirds.
So, 2 times one third is two thirds.
Another example.
Six fifths times 4. We write this as repeated addition like this.
When we add, we get 24 fifths.
So six fifths times 4 is 24 fifths.
You probably noticed a pattern here. When we do the repeated addition in each case, the result of adding the numerators is the same result as multiplying the numerator of the fraction by the whole number.
Here, we added the numerator three, three times, and got 9.
That’s the same as multiplying 3 times 3 which is also nine.
Here, we added the numerator one, two times, and got 2.
That’s the same as multiplying 1 times 2, which is also 2.
Here, we added the numerator 6, four times and got 24.
That’s the same as multiplying 6 times 4, which is also 24.
So, to multiply fractions, we don’t have to do the repeated addition, we can just multiply the numerator times the whole number.
That gives us the numerator of the result.
The denominator stays the same.
Here’s an example. Four times three fifths. We multiply the numerator, which is three, times the whole number four, which gives us a numerator of 12.
And we keep the denominator.
So 4 times 3 fifths is 12 fifths.
Last example. Two fifths times 3. We multiply the numerator, 2, times the whole number 3, which gives us a numerator of 6, and the denominator stays the same.
The result is 6 fifths.
In the remainder of this lesson you’ll multiply whole numbers and fractions like these.

http://[a]www.ilearn.com%2Ffractions[/a]

https://youtu.be/BV-T6b7S9dc

#mathematicstutorial #precalculus

#mathematicstutorial#precalculus

#radian #degree

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Iván no puede levantarse de la cama, parece que tiene fiebre. Su madre llama a su colegio para avisar y tiene una conversación con el profesor.

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How we can add numbers going across as a number sentence, or down as a stacked equation. Using pictures and models to write addition problems and find a sum. Word problems are included as examples in this lesson.

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In this video, you will learn how to multiply numbers. Two digit numbers, three digit numbers to two digit numbers.

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How to solve a linear system with two equations and two unknowns with fractions.

Notes on solving linear systems of two equations and two unknowns using the elimination method: https://www.openalgebra.com/20....12/11/solving-linear

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Chapter 4 - Solving Linear Systems

4.1 Solving Linear Systems by Graphing
4.2 Solving Linear Systems by Substitution
4.3 Solving Linear Systems by Elimination
4.4 Applications of Linear Systems
4.5 Solving Systems of Linear Inequalities (Two Variables)
4.6 Review Exercises and Sample Exam

Shortcuts to do calculations mentally, useful for developing numerical aptitude and for success in competitive examinations....here is another shortcut through which you can add two or three mixed fractions orally within 3 to 4 seconds only......the method is useful for all students at junior level and for competitions.....for more videos, keep visiting:
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Also Watch:
One-Step Method to Add Mixed Fractions - https://www.youtube.com/watch?v=YIZ0QWbV0qE&t=2s
Find Greatest Fraction - https://www.youtube.com/watch?v=kimHq7ZWfVY
Solving Statement Problems of FRACTIONS - https://www.youtube.com/watch?v=VtlwaLSQnPA&t=2s
Fractions & Percentages Simplified - https://www.youtube.com/watch?v=TeJ9A_B-tww
3-Second Trick to Find LARGEST FRACTION - https://youtu.be/qIAvp6QMlJk
Easiest Way to SIMPLIFY MIXED FRACTIONS - https://youtu.be/Z0SJIEjE2-k
ORDERING FRACTIONS MENTALLY - https://www.youtube.com/watch?v=UO-w56BuMJg&t=276s
Simplification of Mixed Fractions - https://www.youtube.com/watch?v=2-99IT4kX2U
Handle Fractions the Easiest Way - https://www.youtube.com/watch?v=wrl7qCviJo8
Simplification of FRACTIONS Using BODMAS - https://www.youtube.com/watch?v=1QZHcSTuHT0&t=2s
#mathematics #math #vedicmaths #quantitativeaptitude #shorttricks #suresh #sureshaggarwal #cbse #icse #cbseboard #ssc #ibps #quant #cat #upsc #placements #ntse #railways #bankingexams #ssccgl #ssc_cgl #fractions #fraction #fractiontricks
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