Subtracting: Regrouping From Zero | Addition And Subtraction | Arithmetic | Khan Academy


In Kindergarten you learned the importance of sharing, right? In math, when we lack value in a number to subtract with you borrow or regroup from a neighbor. Sometimes you borrow from the tens…but what if you have zero tens? Ha….let’s watch this and learn!
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:

8 thoughts

  1. I think that would be Sathishkumar Academy, by analogy to Khan Academy. You might want to shorten it to make it more pithy 🙂

  2. What if you have 0 numbers to borrow even in the hundreds place such as this problem, 14 – 42 = ___

Comments are closed.