# Math

## Is 1 a Prime Number or Not?

Prime Numbers The prime numbers are the natural whole numbers (1, 2, 3, 4, 5, 6, etc.) which are only divisible by 1 and themselves, which leads to the elimination in the previous list of …

## Is a Circle a Continuous Line or an Infinite Number of Angles?

How we see circles Viewing a circle as an infinite number of angles is unusual but justifiable. A circle may be viewed in several ways. Ancient Greek mathematicians viewed a circle as a polygon with …

## Math in the Real World: Part 1 – Why We Need It

Ask any scientist or engineer and they will agree that mathematics is the foundation of our society as it is now. It is ever-present in everything in this world, from the smallest grain of sand, …

## Grade 7 Lesson: Simplification of Linear Expressions

SUBJECT: Algebra TOPIC: Expressions LESSON: Linear Expressions PREVIOUS KNOWLEDGE: Students can add, subtract, multiply or divide numbers. Students can add or subtract elements in a set. TEACHING AIDS: A chart with some pre-written exercises to …