en arithmetic khanacademy 5/5 (1)

URL
HTML code
reported by (19 courses)
updated
22,130 views

Start here if you have very little background in math fundamentals (or just want to make sure you do).

Arithmetic on Khan Academy: So you're ready to have some arithmetic fun? You've come to the right spot! It's the first "official" math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We'll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don't stop there. We'll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started?

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Lessons

Introduction to addition. Multiple visual ways to represent addition. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
507 views

Adding 2-digit numbers
514 views

Adding a 2 digit number to a 1 digit number. Introduction to carrying. More free lessons at: http://www.khanacademy.org/video?v=27Kp7
620 views

Practice carrying digits to add multiple digit numbers
519 views

More practice carrying with multiple digit numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
582 views

Introduction to subtraction Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
628 views

Different ways to view subtraction Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
719 views

Introduction to borrowing and regrouping
616 views

How I subtract in my head Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
602 views

An explanation of why (not how) borrowing/regrouping works when subtracting numbers
784 views

Subtraction of multi-digit numbers involving borrowing
585 views

Subtracting decimal numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-alg ...
600 views

Introduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
479 views

Introduction to the multiplication tables from 2-9.
629 views

Multiplying a 2-digit number times a 2-digit number Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
549 views

Working our way up to multiplying multiple-digit numbers with each other. We'll go slow so you can follow along. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy. ...
509 views

2 examples of multiplying a 3 digit number times a 2 digit number. 1 example of multiplying a 3 digit number times a 3 digit number.
576 views

Multiplying decimals (www.khanacademy.org)
500 views

Introduction to division Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
572 views

Dividing into larger numbers. Introduction to long division without remainders Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
655 views

Here we go with more long division practice. Ever wonder why we call it "long" division? What's "long" about it, anyway? Practice this lesson yourself on KhanAcademy.org right now: https://www.khan ...
552 views

Here's another practice example where you divide by two digits. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithme ...
573 views

How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-alg ...
557 views

Expressing percentages as decimals. Expressing decimals as percentages.
625 views

The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.kh ...
634 views

Converting percentages and fractions to decimals to order numbers
560 views

Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https ...
686 views

Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-alg ...
576 views

Converting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-alg ...
692 views

Finding how long passes between two times
475 views

Calculating flight times across time zones
501 views

What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on K ...
553 views

Another example of doing long division using the partial quotient method
517 views
 

Correlated course

Science Videoreporter 2671 views

Nervous System : Anatomy and Physiology Lectures FREE

The Nervous System! We take a close look at the anatomy and physiology of the nervous system. We look at the histology of the nervous system as well as the divisions and parts of the brain. If thi


Computer science Udacity

Intro to Data Analysis FREE

This course will introduce you to the world of data analysis. You'll learn how to go through the entire data analysis process, which includes:Posing a questionWrangling your data into a format you


Computer science Udacity 110 views

Introduction to Virtual Reality FREE

This course is designed for students who are new to virtual reality and want to learn about the principles of VR technology including optics, displays, stereopsis, tracking, and major hardware platfor



Computer science Udacity 132 views

Computability, Complexity & Algorithms FREE

This class is offered as CS6505 at Georgia Tech where it is a part of the Online Masters Degree (OMS). Taking this course here will not earn credit towards the OMS degree.In this course, we will ask t


University Getsmarter

Oxford Leading Professional Service Firms Programme Paid Course

Drive your firm and your career to the next level with the skills to achieve winning performance, growth, and innovation.


Computer science Udacity

Gradle for Android and Java FREE

This course explores how the Gradle build tool compiles and packages apps, and you'll learn to customize the build process. The first half of this course is for anyone interested in Gradle, build


University Getsmarter

LSE Data: Law, Policy and Regulation Paid Course

Gain insight into the foundational legal principles of data regulation, applicable to any jurisdictional context.


University Uciopen 5980 views

Organic Chemistry - UCI FREE

51A: These videos are part of a 28-lecture undergraduate level course titled "Organic Chemistry" taught at UC Irvine by Professor James S. Nowick in fall 2009. This course covers topics such as bondin


Software Missingmanuals 5794 views

Sub Summary Reports in FileMaker Pro FREE

This screencast from Geoff Coffey, co-author of FileMaker Pro 9: The Missing Manual, guides you through creating a sub summary report for your FileMaker Pro database. http://www.missingmanuals.com


Web Stats

Community: 17,018 users
Active courses: 74,474
Lessons: 2,066,701
Data: 74 GB
Online: 66 users