In this worksheet, students will practice solving quadratics in a fun Sudoku puzzle. The students can solve each problem by factoring, graphing, or the quadratic formula. Materials included: Sudoku puzzle Solutions The student directions on the puzzle state: Solve each equation and place the positive, integer solution in the indicated row and column of the puzzle. When finished, solve the remaining Sudoku puzzle. Remember, each row, each column, and each 3x3 square should have the numbers 1 – 9, with no repetition. Note: Only use the positive, integer solution in the puzzle. Encourage students to show their work and to record both answers, if two solutions exist. An answer key is included for easing grading! Note: This activity is included in my Quadratic Unit – Bundle of Resources. Check it out if you are interested in purchasing this resource, along with others, at a discounted rate! For additional quadratic resources, check out: Color by Factor – Factoring Practice Discovering Quadratic Functions Factoring and Solving Quadratics – Sudoku Puzzle Graphs of Quadratic Functions – Snowflake Cut-Out Activity Quad Squares – Matching Characteristics of a Quadratic Graph Quadratics Café: A Review of Quadratic Functions Review of Factoring – Hidden Picture #1 Review of Factoring – Hidden Picture #2 Review of Factoring – Hidden Picture #3 Review of Quadratics – Easter Coloring Activity Factoring Polynomials (Quad, Cubic, Quartic) – Hidden Picture