https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/x3184e0ec:adding-up-to-four-2-digit-numbers/v/adding-four-two-digit-numbers 2022-10-07T04:52:10.377781811Z Adding four two digit numbers Sal uses place value to add four two digit numbers. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/c4ac9125-25f7-4b37-9ee9-465294f7e4fa_1280_720_base.png Adding four two digit numbers Sal uses place value to add four two digit numbers. https://cdn.kastatic.org/ka-youtube-converted/7Y_wVnAHajg.mp4/7Y_wVnAHajg.mp4 195 Adding up to four 2-digit numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/x3184e0ec:adding-up-to-four-2-digit-numbers/e/add-within-100--level-2 2021-06-05T01:51:59Z Adding up to four 2-digit numbers Practice solving problems that include four 2-digit numbers. Casey McCann exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/x3184e0ec:adding-up-to-four-2-digit-numbers/v/adding-multiple-2-digit-numbers-word-problems 2021-07-01T15:38:18Z Adding multiple 2-digit numbers word problems Sal solve word problems that involve adding multiple two digit numbers by using place value. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Adding multiple 2-digit numbers word problems Sal solve word problems that involve adding multiple two digit numbers by using place value. https://cdn.kastatic.org/ka-youtube-converted/WJNOtHFN-mM.mp4/WJNOtHFN-mM.mp4 210 Adding up to four 2-digit numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/x3184e0ec:adding-up-to-four-2-digit-numbers/e/adding-up-to-four-2-digit-numbers-word-problems 2021-04-29T07:58:06Z Adding up to four 2-digit numbers word problems Practice solving word problems involving four 2-digit numbers. Kami Soltesz exercise