## Welcome To Grade 9 Mathematics Class

## Direct Proportion - Unit 10

10.1 – Introduction to Direct Proportion

10.2 – Solving Problems Related to Direct Proportion Using The Unitary Method

10.3 – Solving Problems Related to Direct Proportion Using The Definition

10.4 – Solving Problems Related to Direct Proportion Algebraically

## The Calculator - Unit 11

11.1 – Performing Calculations Using a Calculator

11.2 – Using the % key in the Scientific Calculator

11.3 – Performing Calculations Using the x^{2 }key

11.4 – Performing Calculations Using the √ key in a Scientific Calculator

## Indices - Unit 12

12.1 – Product of Powers with the Same Base

12.2 – Quotients of Powers with the Same Base

12.3 – Negative Indices

12.4 – Zero Index

12.5 – Power of a Power