01:34Adding whole numbers by their place values | Math | 4th grade | Khan Academy
From the creator
Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-regrouping-whole-numbers/e/regrouping-whole-numbers Lindsay adds numbers like 19 thousands + 7 tens by thinking about their place values. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-place-value-rounding/cc-4th-num-forms/e/understanding-whole-number-representations Watch the next lesson: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-place-value-rounding/cc-4th-comparing-multi-digit-numbers/v/comparing-whole-number-place-values Missed the previous lesson? https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-place-value-rounding/cc-4th-num-forms/v/regrouping-numbers-intro-various-place-values 4th grade math on Khan Academy: 4th grade is the time to start really fine-tuning your arithmetic skills. Not only will you be a multi-digit addition and subtraction rockstar, but you'll extend the multiplication and division that you started in 3rd grade to several digits. You'll also discover that you sometimes have something left over (called a "remainder") when you divide. In 3rd grade you learned what a fraction is. Now you'll start adding, subtracting, multiplying, and comparing them. You'll also see how they relate to decimals. On other fronts, you'll learn how to convert between different units (which is super important
Published 2016-08-19 · Watch on YouTube ↗
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