Video lessons

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

39 videos in Number sets and properties

• Simplifying Integers Core Mathematics · SHS 1 · Otisam Mathematics
• Practical demonstration of inverse operation of Addition and Subtraction Core Mathematics · SHS 1 · Otisam Mathematics
• Arithmetic challenge 03 Core Mathematics · SHS 1 · Otisam Mathematics
• Arithmetic Challenge – 02 Core Mathematics · SHS 1 · Otisam Mathematics
• Arithmetic challenge – 01 Core Mathematics · SHS 1 · Otisam Mathematics
• Are You Aware That Division Is Successive Subtraction Core Mathematics · SHS 1 · Otisam Mathematics
• Block 1:Arithmetics Core Mathematics · SHS 1 · Otisam Mathematics
• The seven building blocks of mathematics Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why Zero Divided by Zero Isn't One! Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Do You Know That Mulitiplication Is Successive Addition Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why Dividing By A Smaller Gets Bigger Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why Dividing by Zero Blows Minds! Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why Negative x Negative = Positive Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why Any Number Divided by Itself Equals to 1 Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Commutative Property In Data Analysis Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Practical Illustration Of Closure Property Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Why You Cannot Divide Any Number By 0 Core Mathematics · SHS 1 · Otisam Mathematics
• 1 min Understanding the Identity Element in Math Core Mathematics · SHS 1 · Otisam Mathematics