## Gr9 Khan Academy Practice sets

**Number Sense & Algebra**

NSA1 Exponents & Proportions

*Writing proportions**Solving proportions**Proportion word problems**Ratio word problems**Comparing rates (unit rate)**Rate problems**Rate problems 2**Percent word problems**Discount, tax, and tip word problems**Markup and commission word problems**Rational number word problems**Exponents**(basic)**Exponents**Negative Exponents**Variable expressions with exponents**Multiply monomials**intro**Multiply monomials**Multiply & divide powers (integer exponents)**Powers of products & quotients (integer exponents)**Properties of exponents challenge (integer exponents)*

NSA2 Expressions & Solving Equations

*Order of operations**Combining like terms with negative coefficients**Combining like terms with negative coefficients & distribution**Combining like terms with rational coefficients**Equivalent expressions**Add polynomials**Subtract polynomials**Add & subtract polynomials**Multiply monomials by polynomials: area model*****Multiply monomials by polynomials**Multiply monomials by polynomials challenge**One-step addition & subtraction equations**One-step addition & subtraction equations: fractions & decimals**One-step multiplication & division equations**One-step multiplication & division equations: fractions & decimals**Two-step equations*

**Linear Relations**

LR2: Characteristics of Linear Relations

LR3: Representing Linear Relationships

**Analytic Geometry**

AG1: Forms of Linear Equations

**Measurement & Geometry**

MG1: Optimization

There is no Khan Academy practice for this topic exactly, but click here for a textbook section including some practice problems at the end.

Some related skills you might need practice with:

MG3: Geometric Relationships