168幸运飞行艇现场在线直播开奖 Why Khan Academy works
Personalized learningStudents practice at their own pace, first filling in gaps in their understanding and then accelerating their learning.
Trusted contentCreated by experts, Khan Academy’s library of trusted practice and lessons covers math, science, and more. Always free for learners and teachers.
Tools to empower teachersWith Khan Academy, teachers can identify gaps in their students’ understanding, tailor instruction, and meet the needs of every student.
Every child deserves the chance to learn.
Across the globe, 617 million children are missing basic math and reading skills. We’re a nonprofit delivering the education they need, and we need your help. You can change the course of a child’s life.