https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/cc-2nd-hundreds/v/regrouping-whole-numbers 2021-07-02T22:45:38Z Regrouping whole numbers: 675 Sal regroups 675 into various addition problems. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZDycpi0lu03SETGWMKAfASfs3xHRSHT2VwJPImNLI9t1WX0vzxzlnjsVW-F73WO4D7mUj1FuN4HitmPJAaZd726D6A Regrouping whole numbers: 675 Sal regroups 675 into various addition problems. https://cdn.kastatic.org/ka-youtube-converted/X3JqIZR1XcY.mp4/X3JqIZR1XcY.mp4 263 Reagrupar números https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/cc-2nd-hundreds/e/regroup-whole-numbers 2021-05-18T23:20:44Z Regroup whole numbers Regroup three-digit numbers as hundreds, tens or ones. Kami Soltesz exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/cc-2nd-hundreds/e/hundreds--tens--and-ones 2026-04-08T01:15:04.085520103Z Hundreds, tens, and ones Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones. Sarah Ledon exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:numbers-in-standard-word-and-expanded-form/e/writing-numbers-to-1000 2026-02-26T16:40:39.517979241Z Write numbers in different forms Practice writing numbers in different forms, including expanded, word and number form. Liat Zippin exercise