https://www.khanacademy.org/math/mh-math-class-4-new/x0aa85301e8a9ef71:fractions/x0aa85301e8a9ef71:mixed-fractions/v/proper-and-improper-fractions 2025-07-30T09:10:55.054891Z Proper and improper fractions Proper and Improper Fractions Sal Khan video https://cdn.kastatic.org/googleusercontent/5Y696kmeZcApOJrAgibmznlQtHkx6kSbRPKchjRJHMiaVtlYHKX3lmkWi0SsepcLZamM_0aWIMfkbhexATHryl8 Proper and improper fractions Proper and Improper Fractions https://cdn.kastatic.org/ka-youtube-converted/2h8XiqSnzaU.mp4/2h8XiqSnzaU.mp4 101 Proper and Improper Fractions https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-intro/e/cutting-shapes-into-equal-parts 2024-10-01T20:13:31.006494854Z Identify unit fractions Identify unit fractions when given a visual or a context. elizabeth exercise