https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-add-subtract/cc-1st-equal-sign/v/equal-sign 2021-01-16T16:06:38Z Equal sign Learn what the equals sign means. video https://cdn.kastatic.org/googleusercontent/kVL-r1-KYZo30D1IaRzOA8RE2cxvjCKvwywWZs-xKaYgz7rpgCrhg1uSnvyppZHBkB6Gf4jZMrowPW694FeJeqRiSw Equal sign Learn what the equals sign means. https://cdn.kastatic.org/ka-youtube-converted/gEGKvx1wlFg.mp4/gEGKvx1wlFg.mp4 296 Preparation for algebra https://www.khanacademy.org/math/cc-1st-grade-math/cc-1st-add-subtract/cc-1st-equal-sign/e/meaning-of-equal-sign-1 2021-06-05T01:53:04Z Equal sign Practice telling which equation is true. Gail Hargrave exercise