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 Addition and subtraction up to 4 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-100/cc-2nd-more-fewer-100/v/adding-two-digit-numbers-on-a-number-line 2022-10-07T02:31:07.468665539Z Adding two digit numbers on a number line Sal uses a number line to add two digit numbers. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/cfde7f52-63eb-4abc-85b2-092c2d754ba4_1280_720_base.png Adding two digit numbers on a number line Sal uses a number line to add two digit numbers. https://cdn.kastatic.org/ka-youtube-converted/qHbw1_9HstU.mp4/qHbw1_9HstU.mp4 216 Addition and subtraction up to 4 numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-more-fewer-100/v/adding-and-subtracting-on-number-line-word-problems 2021-04-03T21:31:52Z Adding and subtracting on number line word problems Sal uses number lines to solve addition and subtraction word problems with numbers less than 100. video https://cdn.kastatic.org/googleusercontent/g4x0D-bpVdHRUgWpkkS8zKkD4iCimEJ6G8CzCfw5xTdsSdy_9U8cilBHl3UXJCatKKYCfCQ989B2NHwmFwjO9VgA Adding and subtracting on number line word problems Sal uses number lines to solve addition and subtraction word problems with numbers less than 100. https://cdn.kastatic.org/ka-youtube-converted/EQrCdEF3vNE.mp4/EQrCdEF3vNE.mp4 267 Addition and subtraction up to 4 numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-more-fewer-100/e/adding-and-subtracting-on-the-number-line-word-problems 2025-05-07T16:31:35.042641944Z Add and subtract on the number line word problems Practice solving addition or subtraction word problems using a number line. All items include 4 two-digit numbers. elizabeth exercise 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 https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-more-fewer-100/v/multi-step-addition-word-problem 2022-10-07T02:31:07.468665539Z Multi step addition word problem Sal solves a multi-step addition word problems using a tape diagram. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/276f00cd-2b17-4cee-911c-6dc1b6fe22b1_1280_720_base.png Multi step addition word problem Sal solves a multi-step addition word problems using a tape diagram. https://cdn.kastatic.org/ka-youtube-converted/dbCub716oSg.mp4/dbCub716oSg.mp4 251 Addition and subtraction up to 4 numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-3 2026-04-15T07:20:39.065075359Z 2-step addition word problems within 100 Practice solving two step word problems with addition. Numbers used are 100 or less. elizabeth exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-more-fewer-100/v/multi-step-subtraction-word-problem 2022-10-07T02:31:07.468665539Z Multi-step subtraction word problem Sal solves a multi-step subtraction word problem using a tape diagram. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/dabd650f-ecb7-44a7-af51-55e556bcdc2f_1280_720_base.png Multi-step subtraction word problem Sal solves a multi-step subtraction word problem using a tape diagram. https://cdn.kastatic.org/ka-youtube-converted/qAUnDB0LZL4.mp4/qAUnDB0LZL4.mp4 257 Addition and subtraction up to 4 numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-4 2021-07-01T17:20:34Z 2-step subtraction word problems within 100 Practice solving 2-step subtraction word problems. Numbers used are 100 or less. elizabeth exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-addition-and-subtraction/addition-and-subtraction-word-problems/a/addition-subtraction-and-estimation-faq 2022-10-26T00:35:16.433489642Z Addition, subtraction, and estimation: FAQ Frequently asked questions about addition, subtraction, and estimation. article