https://www.khanacademy.org/math/arithmetic-home/negative-numbers/number-opposites/v/number-opposites-practice 2021-02-07T17:14:00Z Number opposites challenge problems Sal solves a few challenging problems with number opposites on the number line. video https://cdn.kastatic.org/googleusercontent/aRqxw9jZlJu6QlK9ykXea3FKVRZUL8ckCexpir76wVECmTl2axyivZJ54a5BzM2xAeGJcq7zkzWiBuUmdLnx8kE Number opposites challenge problems Sal solves a few challenging problems with number opposites on the number line. https://cdn.kastatic.org/ka-youtube-converted/vRa6XxykfbY.mp4/vRa6XxykfbY.mp4 188 Problemas con números enteros https://www.khanacademy.org/math/arithmetic-home/negative-numbers/number-opposites/e/opposites-on-the-number-line 2026-04-08T00:16:02.937952483Z Number opposites challenge Practice solving more challenging problems finding the opposites of numbers. Numbers are opposites when they're on opposite sides of the number line the same distance from zero. Lindsay exercise