https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-measurement-geometry/copy-of-cc-early-math-length-intro/v/basic-measurement 2021-06-24T11:10:10Z Measuring length: golden statue Measure an object with same-size length units that span it with no gaps or overlaps. Sal Khan video https://cdn.kastatic.org/googleusercontent/Btl16jPvo4UIZc5r9uettYQlPO9xpU7DRn-cDomTiWNxlgQbNIjnRELEhca8dTVd3l6aB-2d2GSSjmb-x9D7Ylvv Measuring length: golden statue Measure an object with same-size length units that span it with no gaps or overlaps. https://cdn.kastatic.org/ka-youtube-converted/pdleRJd9YNY.mp4/pdleRJd9YNY.mp4 248 Measuring length and distance using non-standard units (for advanced learners) https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-measurement-geometry/copy-of-cc-early-math-length-intro/e/measuring-lengths-1 2026-04-07T23:17:37.123726494Z Measure lengths 1 Measure objects with same-size length units without gaps or overlaps. Sarah Ledon exercise https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-measurement-geometry/copy-of-cc-early-math-length-intro/v/order-by-length 2021-06-24T11:10:10Z Ordering by length Sal orders 3 objects by length and compares the lengths of 2 objects indirectly by using a third object. video https://cdn.kastatic.org/googleusercontent/BIKLe_WG1OfLjybfJ4d9pdCxEkwmaOQfZufaw1hOsB50J3rNgn4SBa72SpSV6VALDFrPLeCgwCQkvjIH4WO2ru0 Ordering by length Sal orders 3 objects by length and compares the lengths of 2 objects indirectly by using a third object. https://cdn.kastatic.org/ka-youtube-converted/SQmyTmO8OKw.mp4/SQmyTmO8OKw.mp4 157 Measuring length and distance using non-standard units (for advanced learners) https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-measurement-geometry/copy-of-cc-early-math-length-intro/e/order-by-length 2026-04-07T23:36:17.218592739Z Order by length Practice ordering 3 objects by length.   Erin Kats exercise https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-measurement-geometry/copy-of-cc-early-math-length-intro/e/indirect-measurement 2026-04-07T23:55:07.30621384Z Indirect measurement Compare the lengths of 2 objects indirectly by using a third object. Lindsay exercise