# EQAO Grade 9 Foundations of Math Help & Practice

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##### 1Ratios, Rates, and Proportions

##### 2Scale Factors and Similarity

##### 3Square Roots

##### 4Percents

##### 5Rational Numbers

##### 6Powers and Exponents

##### 7Introduction to Polynomials

##### 8Multiplication and Division of Polynomials

##### 9Proportional Relationships

##### 10Patterns and Solving Equations

- 10.1Patterns
- 10.2Subtracting integers
- 10.3Evaluating algebraic expressions
- 10.4Solving one - step equations:
*x + a = b* - 10.5Model and solve one-step linear equations:
*ax = b*,*x/a = b* - 10.6Solving two-step linear equations using addition and subtraction:
*ax + b = c* - 10.7Solving two-step linear equations using multiplication and division:
*x/a + b = c* - 10.8Solving two-step linear equations using distributive property:
*a(x + b) = c*

- 10.1Patterns
##### 11Linear Ralations

##### 12Solving Linear Equations

##### 13Introduction to 3-Dimensional Objects

##### 14Surface Area and Volume

##### 15Data Management