📚 Today's lesson from the Grade 11 Functions (MCR3U) course! The rational expressions unit is built on one skill: simplifying polynomials without dropping a sign. Let's make it bulletproof. 👉 Open the lesson: https://www.skool.com/ontario-math-resources-help-8447/classroom/ba39d9f1?md=5365a7585cac498b89af3439e16a234a 🎯 Try the practice problem and post your answer below 👇 ✅ Answer to the last lesson (Mixtures: Finding the Hidden Second Equation): 49 adult, 147 student

📚 Today's lesson from the Grade 10 Math (MPM2D) course! Sometimes a mixture problem only hands you one obvious equation. The second one is hiding in the wording: a ratio, a "twice as much," or a total cost. 👉 Open the lesson: https://www.skool.com/ontario-math-resources-help-8447/classroom/dd6ecab1?md=0575ae6331a0454fb3798279962e6ef7 🎯 Try the practice problem and post your answer below 👇 ✅ Answer to the last lesson (Ratios & Unit Price: Which Is the Better Buy?): a) 3 : 4 b) 18 for $7.99 ($0.444 vs $0.4575) c) 52 L

📚 Today's lesson from the Grade 9 Math (MTH1W) course! Is 700 mL of juice for $1.99 cheaper than 1 L for $2.99? The shelf price doesn't tell you. A unit rate does. 👉 Open the lesson: https://www.skool.com/ontario-math-resources-help-8447/classroom/2452be5f?md=412fc7f515bd47b2bdebcd02ff271e68 🎯 Try the practice problem and post your answer below 👇 ✅ Answer to the last lesson (Matrices: Organizing Data in Rows and Columns): a) [2 3 2; -1 2 2] b) 2 more blue large shirts sold in Oct than Sept c) [16 24 10; 12 18 8]

📚 Today's lesson from the Grade 12 Data Management (MDM4U) course! A matrix is just a table of numbers, but once data is in one, you can add, compare and analyze it fast. It's how spreadsheets and computers think. 👉 Open the lesson: https://www.skool.com/ontario-math-resources-help-8447/classroom/f8d68447?md=75af1df32e2d49b9a34f257ddc66110f 🎯 Try the practice problem and post your answer below 👇 ✅ Answer to the last lesson (Average or Instantaneous? Word Problems): -25 L/min

📚 Today's lesson from the Grade 12 Calculus & Vectors (MCV4U) course! Half the battle in rate of change word problems is reading the question. "Average" and "instantaneous" need completely different formulas. 👉 Open the lesson: https://www.skool.com/ontario-math-resources-help-8447/classroom/91074289?md=b7fa0adeeed64da6b8bad2a2ac6e4897 🎯 Try the practice problem and post your answer below 👇 ✅ Answer to the last lesson (Piecewise Functions: Pick the Right Rule First): a) 6.25 b) 0 c) Yes: 2x -> 0 and x -> 0, f(0)=0