Lattice Multiplication | Multiplication And Division | Arithmetic | Khan Academy

Introduction to lattice multiplication Watch the next lesson: Missed the previous lesson? 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 Subscribe to KhanAcademy’s Arithmetic channel: Subscribe to KhanAcademy:

Cutting Shapes Into Equal Parts | Math | 3rd Grade | Khan Academy

Lindsay figures out if 4 pieces of pie are each equal to 1/4 of the pie. Practice this yourself on Khan Academy right now: Watch the next lesson: Missed the previous lesson? Watch here: 3rd grade math on Khan Academy: We know you’ve been rocking through 2nd grade adding and subtracting all kinds of whole numbers (up to 2 digits, right?). That’s awesome! In 3rd grade math we want you to start using bigger numbers and start multiplying and dividing, too. By the way, did you know that some numbers aren’t actually “whole?” They’re “partially whole.” We call them fractions! We want you to start playing around and having fun with those, too. There’s also area, perimeter, and place value to be discovered. Whew. We have so much to do and can’t wait to do it with you. Let’s go! Want a virtual coach for 3rd grade? Unlock the 3rd grade mission on Khan Academy here: 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 Subscribe to KhanAcademy:

Counting American Coins | Measurement And Data | Early Math | Khan Academy

Practice this lesson yourself on KhanAcademy.org right now: Watch the next lesson: Missed the previous lesson? Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes the foundation for all other math concepts. Once we can count, we can add, subtract, and measure the world around us. Shortly thereafter, we can learn about place values, plots, graphs, time, money, and shapes. These early math skills are presented in this subject’s tutorials in a straightforward, understandable, and (dare we say it) fun way! Want a virtual coach for Early Math? Unlock the Early Math mission on Khan Academy here: 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 Subscribe to KhanAcademy’s Early Math channel: Subscribe to KhanAcademy:

Telling Time Exercise Example 1 | Measurement And Data | Early Math | Khan Academy

Tell time on a labeled analog clock. Practice this lesson yourself on KhanAcademy.org right now: Watch the next lesson: Missed the previous lesson? Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes the foundation for all other math concepts. Once we can count, we can add, subtract, and measure the world around us. Shortly thereafter, we can learn about place values, plots, graphs, time, money, and shapes. These early math skills are presented in this subject’s tutorials in a straightforward, understandable, and (dare we say it) fun way! Want a virtual coach for Early Math? Unlock the Early Math mission on Khan Academy here: 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 Subscribe to KhanAcademy’s Early Math channel: Subscribe to KhanAcademy:

Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy

Practice this lesson yourself on KhanAcademy.org right now: Watch the next lesson: Missed the previous lesson? Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes the foundation for all other math concepts. Once we can count, we can add, subtract, and measure the world around us. Shortly thereafter, we can learn about place values, plots, graphs, time, money, and shapes. These early math skills are presented in this subject’s tutorials in a straightforward, understandable, and (dare we say it) fun way! Want a virtual coach for Early Math? Unlock the Early Math mission on Khan Academy here: 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 Subscribe to KhanAcademy’s Early Math channel: Subscribe to KhanAcademy:

Telling Time Exercise Example 2 | Measurement And Data | Early Math | Khan Academy

Tell time on unlabeled analog clocks. Practice this lesson yourself on KhanAcademy.org right now: Watch the next lesson: Missed the previous lesson? Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes the foundation for all other math concepts. Once we can count, we can add, subtract, and measure the world around us. Shortly thereafter, we can learn about place values, plots, graphs, time, money, and shapes. These early math skills are presented in this subject’s tutorials in a straightforward, understandable, and (dare we say it) fun way! Want a virtual coach for Early Math? Unlock the Early Math mission on Khan Academy here: 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 Subscribe to KhanAcademy’s Early Math channel: Subscribe to KhanAcademy:

Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

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: Watch the next lesson: Missed the previous lesson? Pre-Algebra on Khan Academy: No way, this isn’t your run of the mill arithmetic. This is Pre-algebra. You’re about to play with the professionals. Think of pre-algebra as a runway. You’re the airplane and algebra is your sunny vacation destination. Without the runway you’re not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We’re about to take off! 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 Subscribe to KhanAcademy’s Pre-Algebra channel:: Subscribe to KhanAcademy:

Algebra: Linear Equations 1 | Linear Equations | Algebra I | Khan Academy

Equations of the form AX=B Watch the next lesson: Missed the previous lesson? Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It’s also seen as a “gatekeeper” subject. Once you achieve an understanding of algebra, the higher-level math subjects become accessible to you. Without it, it’s impossible to move forward. It’s used by people with lots of different jobs, like carpentry, engineering, and fashion design. In these tutorials, we’ll cover a lot of ground. Some of the topics include linear equations, linear inequalities, linear functions, systems of equations, factoring expressions, quadratic expressions, exponents, functions, and ratios. 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 Subscribe to Khan Academy’s Algebra channel: Subscribe to Khan Academy:

Adding To 10 | Basic Addition And Subtraction | Early Math | Khan Academy

Learn that if we have 3 bananas, then we need 7 more bananas to make 10 bananas. Practice this lesson yourself on KhanAcademy.org right now: Watch the next lesson: Missed the previous lesson? Early Math on Khan Academy: Math begins with counting. It’s the most important skill we learn in our early years and becomes the foundation for all other math concepts. Once we can count, we can add, subtract, and measure the world around us. Shortly thereafter, we can learn about place values, plots, graphs, time, money, and shapes. These early math skills are presented in this subject’s tutorials in a straightforward, understandable, and (dare we say it) fun way! Want a virtual coach for Early Math? Unlock the Early Math mission on Khan Academy here: 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 Subscribe to KhanAcademy’s Early Math channel: Subscribe to KhanAcademy:

Division 1 | Multiplication And Division | Arithmetic | Khan Academy

Introduction to division Practice this lesson yourself on KhanAcademy.org right now: Watch the next lesson: Missed the previous lesson? 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 Subscribe to KhanAcademy’s Arithmetic channel: Subscribe to KhanAcademy: