Circle Circumference and Area Tutorial
Learn the formulas for circle circumference and area using pi, work through examples with radius and diameter, then drill with instant-feedback practice questions.
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Math tutorials and practice pages
Every math topic on this site pairs a step-by-step tutorial with a dedicated practice page that serves fresh questions instantly. Start with the tutorial, then move to the practice page to drill until the method is automatic.
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Pythagorean Theorem Tutorial
Learn how to use the Pythagorean theorem, identify right triangles, and solve for missing sides before moving into practice questions.
Rectangle Area and Perimeter Tutorial
Learn the formulas for rectangle area and perimeter, work through examples that cover every question type, then drill with instant-feedback practice questions.
Square Area and Perimeter Tutorial
Learn the formulas for square area and perimeter, work through examples for every question type including finding a side from the area, then drill with instant-feedback practice questions.
Triangle Area Tutorial
Learn two methods for finding the area of a triangle — the base-times-height formula and Heron's formula — then drill with instant-feedback practice questions.
Solving Linear Equations Tutorial
Learn to solve one-variable linear equations step by step using inverse operations, work through examples with all equation types, then drill with instant-feedback practice questions.
Order of Operations Tutorial
Learn the PEMDAS order of operations with clear examples covering parentheses, exponents, multiplication, division, addition, and subtraction — then drill with instant-feedback practice questions.
Quadratic Formula Tutorial
Learn the quadratic formula step by step, understand the discriminant, and work through examples of solving quadratic equations — then drill with instant-feedback practice questions.
Rectangular Prism Volume and Surface Area Tutorial
Learn the formulas for rectangular prism volume and surface area, work through labeled examples with 3D diagrams, then drill with instant-feedback practice questions.
Slope and Linear Equations Tutorial
Learn how to find slope, identify the y-intercept, read slope-intercept form, and calculate the slope between two points — then drill with instant-feedback practice questions.
Trapezoid Area Tutorial
Learn how to find the area of a trapezoid using the average-of-bases formula, work through examples with labeled SVG diagrams, then drill with instant-feedback practice questions.
Systems of Equations Tutorial
Learn how to solve a system of two linear equations using substitution and elimination, understand the three types of solutions, and work through step-by-step examples.
Exponent Rules Tutorial
Learn the core rules for working with exponents, including product, quotient, and power rules, with clear examples and instant-feedback practice questions.