Video lessons

Watch a teacher explain the topic, then practise with past questions.

6 videos in Permutations, combinations and probability

• Learn the trick of solving combination Elective Mathematics · SHS 1 · Otisam Mathematics
• The Secret Behind Factorial Elective Mathematics · SHS 1 · Otisam Mathematics
• Factorial Simplified Elective Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why is 0! Equal to 1 Elective Mathematics · SHS 1 · Otisam Mathematics
• 1 min The Easiest Way Of Arranging Items/Object Elective Mathematics · SHS 1 · Otisam Mathematics
• 1 min Wow! Permutations in Real Life Elective Mathematics · SHS 1 · Otisam Mathematics