PATHANTU LEARNING

Mathematics

Mathematics concepts, examples and exam-focused practice.

Clear Concepts • Examples • Practice

Study Material

Read each lesson carefully and practise the key concept.

LESSON 01

LEARN THE CONCEPT

Percentage means per hundred. Convert x% to x/100, then multiply. Use 10%, 5% and common fractions for faster calculation.

Practice TipReview the idea without notes, then solve five related questions.

LESSON 02

LEARN THE CONCEPT

Average equals total sum divided by the number of observations. When an item changes, adjust the total first.

Practice TipReview the idea without notes, then solve five related questions.

LESSON 03

LEARN THE CONCEPT

A ratio compares like quantities. In a proportion a:b = c:d, cross products are equal: ad = bc.

Practice TipReview the idea without notes, then solve five related questions.

After reading a concept, explain it in your own words without notes and solve at least five questions.