Grade 9 Math: Intro to Geometry Area of a Triangle

• Rational Numbers, Exponents, and Polynomials
•   Introduction to Variables
•   Algebraic Expressions (Coefficients, Constants, Variables, Operators)

• Linear Relations and Equations
•   Intro to Exponents
•   Product Rule for Exponents
•   Quotient Rule for Exponents
•   Power of a Power Rule
•   Rational Exponents
•   Exponents of 0 and 1, Negative Exponents, and Negative Bases
•   Terms and Collecting Like Terms
•   Polynomials (Monomials, Binomials, Trinomials, Degrees of Terms and Degrees of Polynomials)
•   Distributive Property
•   Intro to Factoring
•   Solving Simple Equations
•   Solving Multistep Linear Equations
•   Independent Variables and Dependent Variables
•   Slope-Intercept Form, Y-intercept, and X-intercept
•   Point-slope Form, Linear Equations
•   Using 2 points of a Linear Equation in Slope-intercept Form
•   Parallel Lines and Perpendicular Lines
•   Direct Variation
•   First Differences
•   Intro to Lines

• Intro to Geometry
•   Polygons
•   Different Types of Triangles
•   Interior and Exterior Angles
•   Quadrilaterals and Congruence
•   Midpoint, Midsegment, and Medians of Triangles
•   Midpoints and Diagonals
•   Pythagorean Theorem
•   Area of a Triangle
•   Area of a Composite
•   Prisms
•   Pyramids
•   Surface Area of a Cone
•   Volume of a Cone
•   Surface Area of a Sphere