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Introduction to subtraction | Basic addition and subtraction | Early Math | Khan Academy



Learn what it means to subtract. The examples used in this video are 4-3 and 5-2.
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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!

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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.

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12 Comments

  1. don't get why people find this hard, he explained this perfectly

  2. come back

  3. This guy is my math teachers uncle you spell khan like cahn but that is how he wanted it we always watch him at school btw i aint lieing

  4. lina hussain

  5. If I found early I would be a math genius

  6. I hated math 😬

  7. good job

  8. sorry I was going

  9. I don't get it, can someone else explain it? I thought 4-3=7

  10. This is what's screwing me over in calc II. Really need to brush up on my subtraction

  11. I agree, bob

  12. This is so hard

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