https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/v/baseten-warmup 2021-05-18T23:20:45Z Intro to place value Sal introduces place value using a toy with beads (an abacus).  Sal Khan video https://cdn.kastatic.org/googleusercontent/EMEYJbUAj8dLrcW8t50gqh5nb9kL3GT3taELtYhPp3c_qvsdSmlROLUkdGX1ZMeefrtnpo2e5kJtkdoM4j9T49nZ Intro to place value Sal introduces place value using a toy with beads (an abacus).  https://cdn.kastatic.org/ka-youtube-converted/v3gdX07Q6qE.mp4/v3gdX07Q6qE.mp4 179 Place Value Representation https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/v/use-place-value-blocks-to-show-numbers-within-1000 2021-05-18T23:20:48Z Use place value blocks to show numbers within 1,000 Sal uses place value blocks to represent numbers within 1000. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Use place value blocks to show numbers within 1,000 Sal uses place value blocks to represent numbers within 1000. https://cdn.kastatic.org/ka-youtube-converted/WHTzWZezEIY.mp4/WHTzWZezEIY.mp4 261 Place Value Representation https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/e/place-value-blocks-within-1000 2026-04-07T23:55:07.30621384Z Place value blocks within 1,000 Practice using place value blocks to represent numbers within 1000. Kami Soltesz exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/v/place-value-tables-within-1000-2 2022-10-07T02:31:07.468665539Z Place value tables within 1,000 Sal places numbers 842 and 507 into a place value table. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/8eb0be61-2ef3-4809-b53a-775969071466_1280_720_base.png Place value tables within 1,000 Sal places numbers 842 and 507 into a place value table. https://cdn.kastatic.org/ka-youtube-converted/Wt3IrBqq6Uc.mp4/Wt3IrBqq6Uc.mp4 151 Place Value Representation https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/e/place-value-tables-within-1000 2025-03-06T08:29:31.161653369Z Place value tables within 1,000 Use place value tables to identify value of digits in a number within 1000. Kami Soltesz exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/v/identifying-value-in-digits 2022-10-07T02:31:07.468665539Z Identifying value in digits Sal uses place value to identify the value of digits. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/b056000a-f022-4634-96db-510b00468e23_1280_720_base.png Identifying value in digits Sal uses place value to identify the value of digits. https://cdn.kastatic.org/ka-youtube-converted/Rh7eqv7y2xM.mp4/Rh7eqv7y2xM.mp4 162 Place Value Representation https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:intro-to-place-value/e/identify-the-value-of-a-digit 2025-02-04T09:38:17.081068692Z Identify the value of a digit (ones, tens, hundreds) Practice thinking about the value of each digit in a number within 1000. Kami Soltesz exercise