This lesson introduces grade 11 math students to probability symbols, Venn diagrams, and formulas. It includes definitions of intersection and union symbols, the complement, and conditional probability. Practice questions include shading diagrams, using formulas to calculate probabilities, and placing objects into Venn diagrams. What you'll get: 3-page worksheet for students with formulas, definitions, and practice questions. Have questions, suggestions, requests or feedback? Leave a review and