Lærer Tom Olav Moen viser deg hvordan du regner ligninger med én ukjent.

AREAL af en REKTANGEL og LIGNINGER: Hvis du i en opgave får oplyst arealet og blot en af siderne på en rektangel, så kan du let finde den sidste side vha. ligninger. Se videoen og lær hvordan det er muligt.

Overblik over eksemplerne i videoen:

Eksempel 1 0:09
Eksempel 2 2:01
Eksempel 3 3:59
Eksempel 4 6:13
Eksempel 5 7:56

Se flere matematikvideoer på vores kanal: https://www.youtube.com/channe....l/UCYHzuEfJMIIcZAuFp

#Matematik
#Ligninger
#Sofaskolen

Se hele samlingen af matematikvideoer på
https://sites.google.com/risskov-gym....

Se desuden
http://michaelgrankvist.dk/

Løs ligninger på folkeskoleniveau

Du kunne reducere udtryk med variable og tal
Du skal kunne isolere den ubekendte variable(ofte x) i en ligning
Du skal kunne løse en ligning vha. addition(+), substraktion(-), multiplikation(*) og division(:)

Lær af løse ligninger med uddybende forklaringer og tre eksempler!



Tags:
Ligning udregne
Ligninger med en ubekendt
Lær ligninger
Ligninger regneregler
Matematik ligninger
Ligninger matematik
Matematik ligninger hjælp
Løs ligning
Reducer ligning
Ligning med parentes
Hvordan laver man en ligning
Hvordan regner man en ligning

Lær deg grunnleggende ligninger

LIGNINGER: Hvordan løser man en ligning med et X?

Videoen præsenterer den letteste måde at løse ligninger på. I en ligning skal man finde den ubekendte X. Dette er muligt vha. følgende regneregler:
(+) plus bliver til minus (-)
(-) minus bliver til plus (+)
(*) gange bliver til dividere (:)
(:) dividere bliver til gange (*)

Husk at se flere matematik videoer på vores kanal: Matematikkanalen - Folkeskolen https://www.youtube.com/channe....l/UCYHzuEfJMIIcZAuFp


#Ligninger
#sofaskolen
#Matematikundervisning

Du skal vide hvilke to ting, der gør en ligning til en ligning.
Du skal vide at ubekendte variable kan hedde andet en x
Du skal kunne finde ligninger i din matematikbog
Du skal vide at formler er ligninger

Denne undervisningsvideo til matematik handler om, hvordan man kan løse simple ligninger. Området bliver gennemgået punkt for punkt vha. en disposition.
Find interaktive opgaver på iundervisning.dk

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Source:

Eric Hanucheck
http://hanushek.stanford.edu

Raj Chetty
Professor of Economics, Stanford University
http://www.rajchetty.com/chett....yfiles/value_added.h http://www.equality-of-opportu....nity.org/assets/docu

Cold Calling
https://www.youtube.com/watch?v=PARfIwF215k&list=PLPkJlPMF7vNsn8UmmQQwIC4sJYhQ2krrT&index=2

Sposato School of Education
http://www.sposatogse.org/

Teachers Effectiveness
http://scholar.harvard.edu/fil....es/fryer/files/dobbi

Time Spend by Principles
https://web.stanford.edu/~sloe....b/papers/Principal%2

What makes Teaching Great
http://www.suttontrust.com/wp-....content/uploads/2014

What Matters in School is Good Teaching
https://www.economist.com/news..../leaders/21700383-wh

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Physicists, air traffic controllers, and video game creators all have at least one thing in common: vectors. But what exactly are they, and why do they matter? David Huynh explains how vectors are a prime example of the elegance, beauty, and fundamental usefulness of mathematics.

Lesson by David Huynh, animation by Anton Trofimov.

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Welcome to an introduction to economics! In a basic sense, economics is the study of the choices people make to satisfy their wants and needs with a limited supply of resources. In this video, you'll learn about the difference between wants and needs, goods and services, the concepts of resources and scarcity along with the three basic economic questions.

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In this video, we are revisiting the big book we read yesterday, to add more to our words by creating another sentence together. The students are chosen by using their words their way data and sight word knowledge.

Senior High School Contemporary Philippine Arts from the Regions
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Welcome to Homework joy
Today we’ll discuss how to write a #reflection paper. So let’s get started.
Before moving ahead, understand what a reflection paper is.
What is Reflection Paper?
Reflection paper writing is #academic #writing in which you are free to express your emotion, feelings, events, and much more about a particular thing.
Steps on How to Write a Reflection Paper
So here are some steps to writing a reflection paper. Let’s discuss one by one.
Read Sample Writings
If you are a beginner, then before writing a reflection paper, you must go through some sample writings.
Decide an Interesting Topic
After reading sample writings, find out an interesting topic for your paper.
Introduction
Write your opening lines by providing a glimpse of the topic you’ll be covering in the paper.
Body
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