https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/v/subtracting-with-integer-chips 2023-08-31T15:42:23.143811656Z Subtracting with integer chips Let's model subtraction expressions using positive and negative integer chips. To subtract, we'll take away the appropriate number of chips. What if we don't have enough chips to take away? We can add as many zero pairs as we need, because they don't change the value of the expression. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/315bfd81-0ca7-434e-9009-ebfe02428f26_1280_720_base.png Subtracting with integer chips Let's model subtraction expressions using positive and negative integer chips. To subtract, we'll take away the appropriate number of chips. What if we don't have enough chips to take away? We can add as many zero pairs as we need, because they don't change the value of the expression. https://cdn.kastatic.org/ka-youtube-converted/yTqhzgpt_9Y.mp4/yTqhzgpt_9Y.mp4 330 Intro to subtracting negative numbers https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/e/subtract-with-integer-chips 2025-02-13T21:04:37.380846713Z Subtract with integer chips Write subtraction equations and subtract integers with the support of integer chip diagrams. Charlie Auen exercise https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/v/integer-equations-to-describe-diagram 2021-06-28T22:10:44Z Number equations & number lines Integer equations to describe diagram video https://cdn.kastatic.org/googleusercontent/8ZZzxLl4jvUD6CeEIo42eGGJDZfd9ZBU8m2Mrz8N1b7gyOVmAlrSsXfj92C3Il6V5ze3TEjT2NYI260diaDaDzwk Number equations & number lines Integer equations to describe diagram https://cdn.kastatic.org/ka-youtube-converted/Ddvw2wEBfpc.mp4/Ddvw2wEBfpc.mp4 163 Intro to subtracting negative numbers https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/e/negative-number-addition-and-subtraction--equations-and-number-lines 2025-12-15T17:30:47.676170268Z Number equations & number lines Practice writing addition and subtraction equations to match number line diagrams. Ben S exercise https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/v/graphing-negative-number-addition-and-subtraction-expressions 2023-08-31T15:42:23.143811656Z Graphing negative number addition and subtraction expressions Graph addition and subtraction expressions involving negative numbers on the number line. When we add a positive number, we move to the right on the number line. When we add a negative number, we move to the left. When we subtract a number, we move in the opposite direction as we would to add the same number. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/207972f1-7e2e-4390-8896-a533f44bb32e_1280_720_base.png Graphing negative number addition and subtraction expressions Graph addition and subtraction expressions involving negative numbers on the number line. When we add a positive number, we move to the right on the number line. When we add a negative number, we move to the left. When we subtract a number, we move in the opposite direction as we would to add the same number. https://cdn.kastatic.org/ka-youtube-converted/LwUMnbV303k.mp4/LwUMnbV303k.mp4 234 Intro to subtracting negative numbers https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/v/interpreting-integer-expressions 2021-06-30T17:51:09Z Interpreting numeric expressions example Sal chooses the correct interpretation of the integer expression 3 + (-7). video https://cdn.kastatic.org/googleusercontent/1GOlDR2IRlQ-hBc93IHnjQBRgCOyUhyetJj4xXj8p1Te7T9HYeyynpQPrskamKTqNE9qHWvlL2i7yegalR14oZMP Interpreting numeric expressions example Sal chooses the correct interpretation of the integer expression 3 + (-7). https://cdn.kastatic.org/ka-youtube-converted/ahib7LGDysQ.mp4/ahib7LGDysQ.mp4 146 Intro to subtracting negative numbers https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-sub-neg-intro/e/understanding-addition-and-subtraction-on-the-number-line 2026-05-04T04:41:24.863510909Z Interpret negative number addition and subtraction expressions Practice working through addition and subtraction problems using the number line. Ben S. exercise