https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/cc-2nd-strategies-for-adding-two-and-three-digit-numbers/v/adding-three-digit-numbers-without-regrouping 2021-07-06T11:21:37Z Adding 3-digit numbers (no regrouping) Sal adds 327 + 251 thinking about place value. video https://cdn.kastatic.org/googleusercontent/TAIc_HqezyamXGSasYwarzgI7AxBSXA1RJEd-EPwEeIqbxPxq9fD-KtuGAbeMqAQ6YR0JxV3LRxUbFaD7Au6f7A4Qw Adding 3-digit numbers (no regrouping) Sal adds 327 + 251 thinking about place value. https://cdn.kastatic.org/ka-youtube-converted/d3109sV6izY.mp4/d3109sV6izY.mp4 160 Adding 3 digit numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/cc-2nd-add-ones-tens-hundreds/e/add-within-1000--level-2 2026-04-08T00:16:02.937952483Z Add within 1,000 using place value blocks Practice adding numbers using place value blocks. All numbers used and sums are within 1000. Sharon Friedman exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-strategies-for-adding-two-and-three-digit-numbers/v/breaking-apart-three-digit-addition-problems 2021-04-03T21:31:52Z Breaking apart 3-digit addition problems Sal shows ways to break up addition problems using place value. video https://cdn.kastatic.org/googleusercontent/wunViDe_30HF0vaOQKWzFlnbDnovByLHD6W_MHoXTcJU4iKfPHyysWVKxD_LOP6GpxkXjkabcgp0HYMbOOAiGuM Breaking apart 3-digit addition problems Sal shows ways to break up addition problems using place value. https://cdn.kastatic.org/ka-youtube-converted/Hc9mcx739js.mp4/Hc9mcx739js.mp4 222 Adding 3 digit numbers https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-strategies-for-adding-two-and-three-digit-numbers/e/break-apart-three-dig-add 2022-07-27T14:52:42.217615992Z Break apart 3-digit addition problems Practice breaking apart big addition problems using place value. For example, 234+567 is the same as 200+500+30+60+4+7. Lindsay exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-adding-with-regrouping-within-1000/v/carrying-when-adding-three-digit-numbers 2023-06-01T14:45:55.494628927Z Using place value to add 3-digit numbers: part 1 Let's explore adding two 3-digit numbers using place value and carrying. We walk through the process step by step, starting with the ones place, then the tens place, and finally the hundreds place. We emphasize the importance of understanding what carrying means and how it relates to place value. Sal Khan video https://cdn.kastatic.org/googleusercontent/OZlCq4HL96fODSwYxjvS5mSuYVP9IdkkVSNiI-MwW8atmlb6TmLiliXRB9UcMFNn7qQKxPcEOpi3kKApuzIj0PA Using place value to add 3-digit numbers: part 1 Let's explore adding two 3-digit numbers using place value and carrying. We walk through the process step by step, starting with the ones place, then the tens place, and finally the hundreds place. We emphasize the importance of understanding what carrying means and how it relates to place value. https://cdn.kastatic.org/ka-youtube-converted/Wm0zq-NqEFs.mp4/Wm0zq-NqEFs.mp4 146 Adding 3 digit numbers https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-adding-with-regrouping-within-1000/v/why-carrying-works 2021-06-24T19:33:08Z Using place value to add 3-digit numbers: part 2 Learn to use regrouping to add 536+398. Sal Khan video https://cdn.kastatic.org/googleusercontent/X8FnO5b81_wMHWP2PvZ2mJncM975NVDzuSfrAe6X8XktnEbHSZ6kR6o_QRR0DBFnr3gbI_Vn8KSskomMpgUdd0x6 Using place value to add 3-digit numbers: part 2 Learn to use regrouping to add 536+398. https://cdn.kastatic.org/ka-youtube-converted/O9zSHs1TWMM.mp4/O9zSHs1TWMM.mp4 150 Adding 3 digit numbers https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-strategies-for-adding-two-and-three-digit-numbers/e/select-strategies-for-adding-within-1000 2022-07-26T19:33:05.713343025Z Select strategies for adding within 1000 Practice telling which strategies work for adding two numbers within 1000. Lindsay exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-adding-with-regrouping-within-1000/v/example-adding-with-carrying 2021-07-07T20:19:26Z Adding 3-digit numbers Learn to use regrouping, or carrying to add 709+996, 373+88, and 149+293. Sal Khan video https://cdn.kastatic.org/googleusercontent/hgHcTsRKnLiu92VE5fvxzDn7XZKd7qcCjoYBO84ozDq0K8hGjQPFJoZ9_CfOBHip-hg5Hhw_4u7AB5kY5x7f7RoJ Adding 3-digit numbers Learn to use regrouping, or carrying to add 709+996, 373+88, and 149+293. https://cdn.kastatic.org/ka-youtube-converted/9hM32lsQ4aI.mp4/9hM32lsQ4aI.mp4 184 Adding 3 digit numbers https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/imp-adding-with-regrouping-within-1000/e/addition_4 2026-04-30T18:30:41.846286703Z Add within 1000 Practice adding three-digit numbers. All sums are 1000 or less. Lukas Domagala exercise